past participle of auto-block

Alternative form of autoblock

Alternative form of autoblock

plural of auto-block

Third-person singular simple present indicative form of auto-block

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.

(nautical) A long tackle block having two sheaves of different diameters in the same plane, instead of side by side as in a common double block.

(nautical) Any of the blocks at the topmast and topgallant-mast heads, for the studding-sail halyards.