Definitions for: Yardarm

[n] either end of the yard of a square-rigged ship

Webster (1913) Definition: Yard"arm`, n. (Naut.)
Either half of a square-rigged vessel's yard, from the center
or mast to the end.

Note: Ships are said to be yardarm and yardarm when so near
as to touch, or interlock yards.

See Also: end, yard