Third-person singular simple present indicative form of pin cushion

plural of spring pin

plural of taper pin

plural of tie pin

(wrestling) A pin in which the wrestler kneels over a fallen opponent's face so as to restrain the arms above the head.

plural of schoolgirl pin

A mill that comminutes materials by the action of pins that repeatedly move past each other.

plural of pin mill

A crustose lichen with small upward-pointing fruiting bodies supposed to resemble dressmakers' pins. They include members of the genera Calicium and Chaenotheca.

plural of pin lichen