pin
nounDefinition of pin
(Entry 1 of 4)
1a
: a piece of solid material (such as wood or metal) used especially for fastening things together or as a support by which one thing may be suspended from another
b
obsolete
: the center peg of a target
also
: the center itself
c
: something that resembles a pin especially in slender elongated form
an electrical connector pin
d(1)
: one of the pieces constituting the target in various games (such as bowling)
(2)
: the peg at which a quoit is pitched
(3)
: the staff of the flag marking a hole on a golf course
e
: a peg for regulating the tension of the strings of a musical instrument
f
: the part of a key stem that enters a lock
g
: a belaying pin
b
: an ornament or emblem fastened to clothing with a pin
3
: leg
—usually used in plural wobbly on his pins
4
: a fall in wrestling
pin
verb
pinned;
pinning
Definition of pin (Entry 2 of 4)
1a
: to fasten, join, or secure with a pin
b
: to hold fast or immobile
c
: to present (a young woman) with a fraternity pin as a pledge of affection
2a
: fasten
pinned his hopes on a miracle pin the blame on someone else
b
: to assign the blame or responsibility for
pin the robbery on a night watchman
c
: to define or determine clearly or precisely
—usually used with down it is hard to pin down exactly when things changed— Katharine Whittemore
3a
: to make (a chess opponent's piece) unable to move without exposing the king to check or a valuable piece to capture
b
of a wrestler
: to secure a fall over (an opponent)
pin
adjectiveDefinition of pin (Entry 3 of 4)
1
: of or relating to a pin
2
of leather
: having a grain suggesting the heads of pins
PIN
abbreviationDefinition of PIN (Entry 4 of 4)
personal identification number
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