Definition of mainmast
: a sailing ship's principal mast
First Known Use of mainmast
Rhymes with mainmast
aghast, at last, avast, bedfast, Belfast, bombast, broadcast, bypast, contrast, dicast, dismast, downcast, dynast, fantast, flypast, forecast, foremast, forepassed, full blast, gymnast, half-caste, half-mast, handfast, holdfast, lightfast, makefast, march-past, miscast, newscast, oblast, offcast, outcast, outcaste, precast, recast, repast, roughcast, sandblast, sand-cast, shamefast, sportscast, topmast, trade-last, typecast, upcast, webcast, windblast
MAINMAST Defined for Kids
Definition of mainmast for Students
: the principal mast of a sailing ship
Learn More about mainmast
Britannica.com: Encyclopedia article about "mainmast"
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