sac

A bag or pouch inside a plant or animal that typically contains a fluid.

(games) A sacrifice.

“Kasparov's queen sac early in the game gained him a positional advantage against Kramnik.”

(games) To sacrifice.

“I kept saccing monsters at the altar until I was rewarded with a new weapon.”

The privilege, formerly enjoyed by the lord of a manor, of holding courts, trying causes, and imposing fines.