pin

(noun) a piece of jewelry that is pinned onto the wearer's garment.

(noun) when a wrestler's shoulders are forced to the mat. Synonyms: fall.

(noun) small markers inserted into a surface to mark scores or define locations etc.. Synonyms: peg.

(noun) a number you choose and use to gain access to various accounts. Synonyms: personal identification number, PIN, PIN number.

(noun) informal terms for the leg. Synonyms: peg, stick. Examples: "Fever left him weak on his sticks."

(noun) axis consisting of a short shaft that supports something that turns. Synonyms: pivot.

(noun) cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown. Synonyms: pin tumbler.

(noun) flagpole used to mark the position of the hole on a golf green. Synonyms: flag.

(noun) a small slender (often pointed) piece of wood or metal used to support or fasten or attach things.

(noun) a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing. Synonyms: peg, thole, tholepin, rowlock, oarlock.

(noun) a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target. Synonyms: bowling pin.

(verb) to hold fast or prevent from moving. Synonyms: trap, immobilize, immobilise. Examples: "The child was pinned under the fallen tree."

(verb) attach or fasten with pins or as if with pins. Examples: "Pin the needle to the shirt". "pin the blame on the innocent man."

(verb) pierce with a pin. Examples: "Pin down the butterfly."

(verb) immobilize a piece.