pin

a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing

a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target

a piece of jewelry that is pinned onto the wearer's garment

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

attach or fasten with pins

“pin the needle to the shirt”

immobilize a piece

pierce with a pin

“pin down the butterfly”

small markers inserted into a surface to mark scores or define locations etc.

to hold fast or prevent from moving

“The child was pinned under the fallen tree”

when a wrestler's shoulders are forced to the mat

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

axis consisting of a short shaft that supports something that turns