Trebucket

·noun A cucking stool; a tumbrel.

II. Trebucket ·noun A kind of balance for weighing.

III. Trebucket ·noun A military engine used in the Middle Ages for throwing stones, ·etc. It acted by means of a great weight fastened to the short arm of a lever, which, being let fall, raised the end of the long arm with great velocity, hurling stones with much force.