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