- a short metal rod, as a linchpin, driven through holes in adjacent parts, as a hub and an axle, to keep the parts together.
- 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.
- a short axle, as one on which a pulley rotates in a block.
- an axle for a sheave of a block.
- belaying pin.
verb (used with object), pinned, pin·ning.
- to bookmark (a photo or link) on Pinterest, a website and mobile application: He pinned a jacket from Macy's on his fashion board.
- 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.
- to bind or hold to a course of action, a promise, etc.
- 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.
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Idioms for pin
- (of a young woman) to receive a male student's fraternity pin as a symbol of his affection and fidelity, usually symbolizing that the couple is going steady or plans to become engaged.
- (of a young couple) to become formally pledged to one another, though not yet engaged, by the bestowing of such a pin or the exchange of pins.
Origin of pin
OTHER WORDS FROM pinre·pin, verb (used with object), re·pinned, re·pin·ning.
Definition for pin (2 of 2)
Origin of PIN
Example sentences from the Web for pin
Though Amazon, Whole Foods’s parent company, has repeatedly blocked workers’ efforts to form a union, the email says union pins will be distributed to workers to show support for these demands.Whole Foods Worker Sends Mass Email Calling for Hazard Pay|Jaya Saxena|December 18, 2020|Eater
If using a rolling pin and a zip-top bag to crush the crackers, you may need to use your hands to break up larger chunks.Yes, you can use your Instant Pot to make the creamiest of cheesecakes and other desserts|Jessie Sheehan|December 11, 2020|Washington Post
There’s vulnerability as well, but also strength, in Valladeres’s sculptural installation, which arranges those carved, blackened rolling pins around a cast-iron skillet whose bottom is curved into a relief sculpture of a woman’s face.In the galleries: Perspectives on blending culture and identity|Mark Jenkins|December 11, 2020|Washington Post
British Dictionary definitions for pin (1 of 3)
- 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
- (in combination)pinhole
- See belaying pin
- the axle of a sheave
- the sliding closure for a shackle
- the cylindrical part of a key that enters a lock
- the cylindrical part of a lock where this part of the key fits
verb pins, pinning or pinned (tr)
Word Origin for pin
British Dictionary definitions for pin (2 of 3)
British Dictionary definitions for pin (3 of 3)
n acronym for
Medical definitions for pin
Idioms and Phrases with pin
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
- hear a pin drop
- on pins and needles