or pin-up



a large photograph, as of a sexually attractive person, suitable for pinning on a wall.
a person in such a photograph.
a device or fixture that is fastened to a wall, as a lamp.


of, relating to, or appearing in a pinup: a pinup girl.
designed or suitable for hanging or fastening on a wall: a pinup lamp.

Nearby words

  1. pin-feather,
  2. pin-hole,
  3. pin-spot,
  4. pin-stripe,
  5. pin-tailed,
  6. pina colada,
  7. pinaceous,
  8. pinacoid,
  9. pinafore,
  10. pinafore dress

Origin of pinup

1670–80 for general senses; 1940–45 as photograph of a pretty woman; noun, adj. use of pin up




a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things.
a short, slender piece of wire with a point at one end and a head at the other, for fastening things together.
any of various forms of fasteners or ornaments consisting essentially or partly of a pointed or penetrating wire or shaft (often used in combination): a jeweled pin.
a badge having a pointed bar or pin attached, by which it is fastened to the clothing: a fraternity pin.
Digital Technology. a photo or link that is bookmarked on Pinterest, a website and mobile application: She added 5 pins to her recipes board.
  1. a short metal rod, as a linchpin, driven through holes in adjacent parts, as a hub and an axle, to keep the parts together.
  2. a short cylindrical rod or tube, as a wrist pin or crankpin, joining two parts so as to permit them to move in one plane relative to each other.
  3. a short axle, as one on which a pulley rotates in a block.
the part of a cylindrical key stem entering a lock.
a clothespin.
a hairpin.
a peg, nail, or stud marking the center of a target.
Bowling. any one of the rounded wooden clubs set up as the target in tenpins, ninepins, duckpins, etc.
Golf. the flag staff which identifies a hole.
any of the projecting knobs or rails on a pinball machine that serve as targets for the ball.
Informal. a human leg.
Music. peg(def 5).
Wrestling. a fall.
  1. an axle for a sheave of a block.
  2. belaying pin.
Carpentry. a tenon in a dovetail joint; dovetail.
a very small amount; a trifle: Such insincere advice isn't worth a pin.
Chess. the immobilization of an enemy piece by attacking with one's queen, rook, or bishop.
Electronics. a pin-shaped connection, as the terminals on the base of an electron tube or the connections on an integrated circuit.

verb (used with object), pinned, pin·ning.

to fasten or attach with or as with a pin or pins: to pin two pieces of cloth together.
to hold fast in a spot or position (sometimes followed by down): The debris pinned him down.
to transfix or mount with a pin or the like: to pin a flower as a botanical specimen.
Chess. to immobilize (an enemy piece) by placing one's queen, rook, or bishop in a position to check the exposed king or capture a valuable piece if the pinned piece were moved.
Wrestling. to secure a fall over one's opponent.
Digital Technology.
  1. to bookmark (a photo or link) on Pinterest, a website and mobile application: He pinned a jacket from Macy's on his fashion board.
  2. to fix (a social media post) to the top of a feed: She pinned a tweet about her forthcoming book to the top of her Twitter feed.

verb (used without object), pinned, pin·ning.

Digital Technology. to bookmark a photo or link on Pinterest: I've been pinning a lot lately.

Verb Phrases

pin down,
  1. to bind or hold to a course of action, a promise, etc.
  2. to force (someone) to deal with a situation or to come to a decision: We tried to pin him down for a definite answer, but he was too evasive for us.
pin in, to fill (gaps in a rubble wall, etc.) with spalls.
pin up, to make (a piece of masonry) level or plumb with wedges.

Origin of pin

before 1100; (noun) Middle English pinne, Old English pinn “peg”; cognate with Dutch pin, German Pinne, Old Norse pinni; perhaps frrom Latin pinna “feather, quill” (see pinna); (verb) Middle English pinnen, derivative of the noun

Related formsre·pin, verb (used with object), re·pinned, re·pin·ning. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pin-up

British Dictionary definitions for pin-up



  1. a picture of a sexually attractive person, esp when partially or totally undressed
  2. (as modifier)a pin-up magazine
slang a person who has appeared in such a picture
a photograph of a famous personality
(modifier) US designed to be hung from a walla pin-up lamp


n acronym for

personal identification number: a number used by a holder of a cash card or credit card used in EFTPOS



  1. a short stiff straight piece of wire pointed at one end and either rounded or having a flattened head at the other: used mainly for fastening pieces of cloth, paper, etc, esp temporarily
  2. (in combination)pinhole
an ornamental brooch, esp a narrow one
a badge worn fastened to the clothing by a pin
something of little or no importance (esp in the phrases not care or give a pin (for))
a peg or dowel
anything resembling a pin in shape, function, etc
(in various bowling games) a usually club-shaped wooden object set up in groups as a target
Also called: cotter pin, safety pin a clip on a hand grenade that prevents its detonation until removed or released
  1. See belaying pin
  2. the axle of a sheave
  3. the sliding closure for a shackle
music a metal tuning peg on a piano, the end of which is inserted into a detachable key by means of which it is turned
surgery a metal rod, esp of stainless steel, for holding together adjacent ends of fractured bones during healing
chess a position in which a piece is pinned against a more valuable piece or the king
golf the flagpole marking the hole on a green
  1. the cylindrical part of a key that enters a lock
  2. the cylindrical part of a lock where this part of the key fits
wrestling a position in which a person is held tight or immobile, esp with both shoulders touching the ground
a dovetail tenon used to make a dovetail joint
(in Britain) a miniature beer cask containing 4 1/2 gallons
(usually plural) informal a leg
be put to the pin on one's collar Irish to be forced to make an extreme effort

verb pins, pinning or pinned (tr)

to attach, hold, or fasten with or as if with a pin or pins
to transfix with a pin, spear, etc
(foll by on) informal to place (the blame for something)he pinned the charge on his accomplice
chess to cause (an enemy piece) to be effectively immobilized by attacking it with a queen, rook, or bishop so that moving it would reveal a check or expose a more valuable piece to capture
Also: underpin to support (masonry), as by driving in wedges over a beam
See also pin down

Word Origin for pin

Old English pinn; related to Old High German pfinn, Old Norse pinni nail

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 pin-up
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pin-up




A thin rod for securing the ends of fractured bones.
A peg for fixing the crown to the root of a tooth.


To fasten or secure with a pin or pins.

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

Idioms and Phrases with pin-up


In addition to the idioms beginning with pin

  • pin back one's ears
  • pin down
  • pin money
  • pin on
  • pin one's heart on
  • pin one's hopes on
  • pin someone's ears back

also see:

  • hear a pin drop
  • on pins and needles
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.