Definition of mast
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
Read the Latest from M-W
Origin and Etymology of mast
Middle English, from Old English mæst; akin to Old High German mast mast, Latin malus
mast
Definition of mast
transitive verb
: to furnish with a mast
First Known Use of mast
circa 1513
mast
Definition of mast
: nuts (such as acorns) accumulated on the forest floor and often serving as food for animals
Origin and Etymology of mast
Middle English, from Old English mæst; akin to Old High German mast food, mast, and probably to Old English mete food — more at meat
MAST Defined for Kids
mast
playDefinition of mast for Students
: a long pole that rises from the bottom of a ship and supports the sails and rigging
masted
\ˈmas-təd\ adjective a tall masted shipMedical Dictionary
MAST
Medical Definition of MAST
military antishock trousers
Learn More about mast
-
See words that rhyme with mast Spanish Central: Translation of mast Nglish: Translation of mast for Spanish speakers Britannica English: Translation of mast for Arabic speakers Britannica.com: Encyclopedia article about mast
Seen and Heard
What made you want to look up mast? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!