Definition of mast
(Entry 1 of 3)
1
: a long pole or spar rising from the keel or deck of a ship and supporting the yards, booms, and rigging
2
: a slender vertical or nearly vertical structure (such as an upright post in various cranes)
3
: a disciplinary proceeding at which the commanding officer of a naval unit hears and disposes of cases against enlisted men
— called also captain's mast
before the mast
1
: forward of the foremast
2
: as a common sailor
mast
verb
masted; masting; masts
Definition of mast (Entry 2 of 3)
: to furnish with a mast
mast
noun (2)Definition of mast (Entry 3 of 3)
: nuts (such as acorns) accumulated on the forest floor and often serving as food for animals
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Merriam-Webster unabridged
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Time Traveler for mast
The first known use of mast was before the 12th century
See more words from the same century