Mast (noun) Definition, Meaning & Examples

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noun
  1. Nautical.
    • a spar or structure rising above the hull and upper portions of a ship or boat to hold sails, spars, rigging, booms, signals, etc., at some point on the fore-and-aft line, as a foremast or mainmast.
    • any of a number of individual spars composing such a structure, as a topmast supported on trestletrees at the head of a lower mast.
    • any of various portions of a single spar that are beside particular sails, as a top-gallant mast and royal mast formed as a single spar.
  2. the upright support of a jib crane.
  3. any upright pole, as a support for an aerial, a post in certain cranes, etc.
verb (used with object)
  1. to provide with a mast or masts.
Idioms
  1. as an unlicensed sailor: He served several years before the mast.
noun
  1. the fruit of the oak and beech or other forest trees, used as food for hogs and other animals.
  1. variant of masto- before a vowel: mastectomy.
noun
  1. any vertical spar for supporting sails, rigging, flags, etc, above the deck of a vessel or any components of such a composite spar
  2. any sturdy upright pole used as a support
  3. a hearing conducted by the captain of a vessel into minor offences of the crew
  4. as an apprentice seaman
verb
  1. to equip with a mast or masts
noun
  1. the fruit of forest trees, such as beech, oak, etc, used as food for pigs
combining form
  1. a variant of masto-
Mast (noun) Definition, Meaning & Examples

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