(nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.

simple past tense and past participle of chump block

Either of two wooden or iron blocks intended to serve instead of buffers at the end of a freight car.

(collectible card games) To block an attack from a powerful attacker with a weak defender that will neither survive the attack nor destroy the attacker.

past participle of auto-block

Alternative form of autoblock

Alternative form of autoblock

A simple form of tackle block, having one wheel, over which a rope runs.

(nautical) A small single block strapped with a swivel..

(nautical) A block fitted under the quarters of a yard on each side of the slings, through which the clewlines and sheets are reeved.