verb (used with object), tapped, tap·ping.

verb (used without object), tapped, tap·ping.


Nearby words

  1. taoiseach,
  2. taoism,
  3. taonga,
  4. taormina,
  5. taos,
  6. tap bell,
  7. tap bolt,
  8. tap dance,
  9. tap dancer,
  10. tap dancing

Origin of tap

1175–1225; (v.) Middle English tappen, variant of early Middle English teppen, probably imitative; (noun) Middle English, derivative of the v.

Related formstap·pa·ble, adjectiveun·tap·pa·ble, adjective




a cylindrical stick, long plug, or stopper for closing an opening through which liquid is drawn, as in a cask; spigot.
a faucet or cock.
the liquor drawn through a particular tap.
British. a taphouse or taproom.
a tool for cutting screw threads into the cylindrical surface of a round opening.
Surgery. the withdrawal of fluid: spinal tap.
a hole made in tapping, as one in a pipe to furnish connection for a branch pipe.
Electricity. a connection brought out of a winding at some point between its extremities, for controlling the voltage ratio.
Informal. an act or instance of wiretapping.
Archaic. a particular kind or quality of drink.

verb (used with object), tapped, tap·ping.

to draw liquid from (a vessel or container).
to draw off (liquid) by removing or opening a tap or by piercing a container.
to draw the tap or plug from or pierce (a cask or other container).
to penetrate, open up, reach into, etc., for the purpose of using something or drawing something off; begin to use: to tap one's resources.
to connect into secretly so as to receive the message or signal being transmitted: to tap a telephone wire or telephone.
to furnish (a cask, container, pipe, etc.) with a tap.
to cut a screw thread into the surface of (an opening).
to open outlets from (power lines, highways, pipes, etc.).

Verb Phrases

tap into, Informal. to gain access to; become friendly with: The candidate tapped into some wealthy supporters.
tap off, to remove (liquid, molten metal, etc.) from a keg, furnace, or the like: to tap off slag from a blast furnace.

Origin of tap

before 1050; (noun) Middle English tappe, Old English tæppa; cognate with Dutch tap, Old High German zapfo, Old Norse tappi; (v.) Middle English tappen, Old English tæppian; cognate with Middle Low German, Middle Dutch tappen, German zapfen, Old Norse tappa

Related formstap·pa·ble, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tap

British Dictionary definitions for tap



verb taps, tapping or tapped

to strike (something) lightly and usually repeatedlyto tap the table; to tap on the table
(tr) to produce by striking in this wayto tap a rhythm
(tr) to strike lightly with (something)to tap one's finger on the desk
(intr) to walk with a tapping soundshe tapped across the floor
(tr) to attach metal or leather reinforcing pieces to (the toe or heel of a shoe)


a light blow or knock, or the sound made by it
the metal piece attached to the toe or heel of a shoe used for tap-dancing
short for tap-dancingSee tap-dancing
phonetics the contact made between the tip of the tongue and the alveolar ridge as the tongue is flicked upwards in the execution of a flap or vibrates rapidly in the execution of a trill or roll
See also taps

Derived Formstappable, adjective

Word Origin for tap

C13 tappen, probably from Old French taper, of Germanic origin; related to Middle Low German tappen to pluck, Swedish dialect täpa to tap


a valve by which a fluid flow from a pipe can be controlled by opening and closing an orificeUS and Canadian name: faucet
a stopper to plug a cask or barrel and enable the contents to be drawn out in a controlled flow
a particular quality of alcoholic drink, esp when contained in casksan excellent tap
British short for taproom
the surgical withdrawal of fluid from a bodily cavitya spinal tap
Also called: screw tap a tool for cutting female screw threads, consisting of a threaded steel cylinder with longitudinal grooves forming cutting edgesCompare die 2 (def. 2)
electronics, mainly US and Canadian a connection made at some point between the end terminals of an inductor, resistor, or some other componentUsual Brit name: tapping
stock exchange
  1. an issue of a government security released slowly onto the market when its market price reaches a predetermined level
  2. (as modifier)tap stock; tap issue
a concealed listening or recording device connected to a telephone or telegraph wire for the purpose of obtaining information secretly
on tap
  1. informalready for immediate use
  2. (of drinks) on draught

verb taps, tapping or tapped (tr)

to furnish with a tap
to draw off with or as if with a tap
to cut into (a tree) and draw off sap from it
British informal to ask or beg (someone) for moneyhe tapped me for a fiver
  1. to connect a tap to (a telephone or telegraph wire)
  2. to listen in secret to (a telephone message, etc) by means of a tap
to make a connection to (a pipe, drain, etc)
to cut a female screw thread in (an object or material) by use of a tap
to withdraw (fluid) from (a bodily cavity)
informal (of a sports team or an employer) to make an illicit attempt to recruit (a player or employee bound by an existing contract)
Derived Formstappable, adjective

Word Origin for tap

Old English tæppa; related to Old Norse tappi tap, Old High German zapfo

noun, verb

a Scot word for top 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tap
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for tap




The removal of fluid from a body cavity.


To withdraw fluid from a body cavity, as with a trocar and cannula, hollow needle, or catheter.
To strike lightly with the finger or a hammerlike instrument, as in percussion or to elicit a tendon reflex.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with tap


see on tap.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.