HyperDic: main_yard

English > 1 sense of the expression *main yard*:
NOUN	artifact	main yard	yard for a square mainsail

English > *main yard*: 1 sense > noun 1, artifact
Meaning	Yard for a square mainsail.
Broader	yard	A long horizontal spar tapered at the end and used to support and spread a square sail or lateen