a thin piece of metal with a sharp point at one end and a round head at the other, used for fastening pieces of cloth, paper, etc.

a metal projection from a plug or an integrated circuit which makes an electrical connection with a socket or another part of a circuit

a three-pin plug

a stick with a flag placed in a hole to mark its position

a skittle in bowling

a person's legs

she was very nimble on her pins

an attack on a piece or pawn which is thereby pinned

a half-firkin cask for beer

attach or fasten with a pin or pins

he pinned the badge on to his lapel

her hair was pinned back

hold (someone) firmly in a specified position so they are unable to move

she was standing pinned against the door

Richards pinned him down until the police arrived

hinder or prevent (a piece or pawn) from moving because of the danger to a more valuable piece standing behind it along the line of an attack

the black rook on e4 is pinned

a number allocated to an individual and used to validate electronic transactions

an identifying number allocated to an individual by a bank or other organization and used for validating electronic transactions