lock
1a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
a contrivance for fastening or securing something.
(in a firearm)
the mechanism that explodes the charge; gunlock.
any device or part for stopping temporarily the motion of a mechanism.
an enclosed chamber in a canal, dam, etc., with gates at each end, for raising or lowering vessels from one level to another by admitting or releasing water.
an air lock or decompression chamber.
complete and unchallenged control; an unbreakable hold: The congresswoman has a lock on the senatorial nomination.
Slang. someone or something certain of success; sure thing: He's a lock to win the championship.
Wrestling. any of various holds, especially a hold secured on the arm, leg, or head: leg lock.
Horology. (in an escapement) the overlap between a tooth of an escape wheel and the surface of the pallet locking it.
Metalworking. a projection or recession in the mating face of a forging die.
to fasten or secure (a door, window, building, etc.) by the operation of a lock or locks.
to shut in a place fastened by a lock or locks, as for security or restraint.
to make fast or immovable by or as if by a lock: He locked the steering wheel on his car.
to make fast or immovable, as by engaging parts: to lock the wheels of a wagon.
to join or unite firmly by interlinking or intertwining: to lock arms.
to hold fast in an embrace: She was locked in his arms.
to move (a ship) by means of a lock or locks, as in a canal (often followed by through, in, out, down, or up).
to furnish with locks, as a canal.
to become locked: This door locks with a key.
to become fastened, fixed, or interlocked: gears that lock into place.
to go or pass by means of a lock or locks, as a vessel.
to construct locks in waterways.
lock in,
to commit unalterably: to lock in the nomination of the party's candidates.
(of an investor) to be unable or unwilling to sell or shift securities.
lock off, to enclose (a waterway) with a lock.
lock on,
to track or follow a target or object automatically by radar or other electronic means.
(in a video game) to target and then maintain the focus of the game camera and the player’s weapon on a selected character or item, though the player character and the targeted character may both be in motion.
lock out,
to keep out by or as if by a lock.
to subject (employees) to a lockout.
lock up,
to imprison for a crime.
Printing. to make (type) immovable in a chase by securing the quoins.
to fasten or secure with a lock or locks.
to lock the doors of a house, automobile, etc.
to fasten or fix firmly, as by engaging parts.
Idioms about lock
lock horns, to come into conflict; clash: to lock horns with a political opponent.
lock, stock, and barrel, completely; entirely; including every part, item, or facet, no matter how small or insignificant: We bought the whole business, lock, stock, and barrel.
under lock and key, securely locked up: The documents were under lock and key.
lock and load,
to load a gun with ammunition and prepare to fire: At twelve years old, I had to lock and load to protect the herd from cattle rustlers.
to ready oneself for action: Lock and load, gamers! The tournament starts in ten!
Origin of lock
1Other words from lock
- lock·less, adjective
- self-lock·ing, adjective
- well-locked, adjective
Other definitions for lock (2 of 2)
a tress, curl, or ringlet of hair.
locks,
the hair of the head.
short wool of inferior quality, as that obtained in small clumps from the legs.
a small tuft or portion of wool, cotton, flax, etc.
Origin of lock
2Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use lock in a sentence
Accusing his opponents of being locked in a Cold War mind-set, it is Stone who is beholden to old orthodoxies.
They locked eyes across the room but they initially said nothing to one another.
A Sunni-Shia Love Story Imperiled by al Qaeda | Ruth Michaelson | December 26, 2014 | THE DAILY BEASTGang warlords, locked down in Super Maxes like Pelican Bay pass on instructions to thousands of followers.
The Mexican Mafia Is the Daddy of All Street Gangs | Seth Ferranti | December 11, 2014 | THE DAILY BEASTThey are not locked into the whims of those more powerful, because their knowledge and abilities open doors.
Promoting Girls’ Education Isn’t Enough: Malala Can Do More | Paula Kweskin | December 9, 2014 | THE DAILY BEASTUltimately Seevakumaran only pointed a gun at his roommate, who locked himself in a bedroom and called 911.
School Shooters Love This Pickup Artist Website | Brandy Zadrozny | December 5, 2014 | THE DAILY BEAST
But he put her gently by, saying, "I would rather be here, good Marda;" and went in and locked the door.
Ramona | Helen Hunt JacksonMr. Collingwood, taking the key from his mother, locked the little door in the boarding, after them.
The Boarded-Up House | Augusta Huiell SeamanThere was only one obstacle to his walking quietly and comfortably away, which was that the door was locked and the key gone.
The Posthumous Papers of the Pickwick Club, v. 2(of 2) | Charles DickensIt was locked there so firmly that a score of men had to labor for hours next day ere it could be cleared.
The Red Year | Louis TracyTill now they had never been separated; is it to be wondered at, then, that she locked herself up with the treasure?
The Pit Town Coronet, Volume I (of 3) | Charles James Wills
British Dictionary definitions for lock (1 of 2)
/ (lɒk) /
a device fitted to a gate, door, drawer, lid, etc, to keep it firmly closed and often to prevent access by unauthorized persons
a similar device attached to a machine, vehicle, etc, to prevent use by unauthorized persons: a steering lock
a section of a canal or river that may be closed off by gates to control the water level and the raising and lowering of vessels that pass through it
(as modifier): a lock gate
the jamming, fastening, or locking together of parts
British the extent to which a vehicle's front wheels will turn to the right or left: this car has a good lock
a mechanism that detonates the charge of a gun
US and Canadian informal a person or thing that is certain to win or to succeed: she is a lock for the Academy Award
lock, stock, and barrel completely; entirely
any wrestling hold in which a wrestler seizes a part of his opponent's body and twists it or otherwise exerts pressure upon it
Also called: lock forward rugby either of two players who make up the second line of the scrum and apply weight to the forwards in the front line
a gas bubble in a hydraulic system or a liquid bubble in a pneumatic system that stops or interferes with the fluid flow in a pipe, capillary, etc: an air lock
to fasten (a door, gate, etc) or (of a door, etc) to become fastened with a lock, bolt, etc, so as to prevent entry or exit
(tr) to secure (a building) by locking all doors, windows, etc
to fix or become fixed together securely or inextricably
to become or cause to become rigid or immovable: the front wheels of the car locked
(when tr, often passive) to clasp or entangle (someone or each other) in a struggle or embrace
(tr) to furnish (a canal) with locks
(tr) to move (a vessel) through a system of locks
lock horns (esp of two equally matched opponents) to become engaged in argument or battle
lock the stable door after the horse has bolted or lock the stable door after the horse has been stolen to take precautions after harm has been done
Origin of lock
1- See also lock on to, lock out, lock up
Derived forms of lock
- lockable, adjective
British Dictionary definitions for lock (2 of 2)
/ (lɒk) /
a strand, curl, or cluster of hair
a tuft or wisp of wool, cotton, etc
(plural) mainly literary hair, esp when curly or fine
Origin of lock
2Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with lock
In addition to the idioms beginning with lock
- lock horns
- lock in
- lock out
- lock the barn door after the horse has bolted
- lock up
also see:
- under lock and key
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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