That which is cast or brought forth prematurely; an abortion.
- An abortion, or a premature birth.
- The second or third swarm of bees which leaves a hive in a season.
- A miniature cast or mould.
- One that is cast.
- A move in which the king moves two squares towards a rook, and the rook moves to the other side of the king; the action of the verb to castle.