Meaning & use

mast

noun·Academic

Last updated

UK/mɑːst/
US/mæst/

Meanings

  1. nouncountable

    A tall upright pole on a ship or boat that holds up the sails, flags or equipment.

    Grammar: Often described by position: the main mast, the front mast.

    Patterns

    • the mast of a ship
    • at the top of the mast

    A flag flew from the top of the mast.

    The sailor climbed the mast to fix a rope.

    The storm snapped the boat's mast in two.

  2. nouncountableBritish

    A tall tower or pole that carries radio, television or phone signals.

    Grammar: Common in British English: a phone mast, a radio mast.

    Patterns

    • a radio mast
    • a mast for something

    A new phone mast was built on the hill.

    The TV mast could be seen for miles.

    Engineers repaired the radio mast after the storm.

  3. nouncountable

    A flagpole.

    Grammar: Usually in the phrase flag mast, or half-mast when a flag is lowered in mourning.

    Patterns

    • fly a flag at half-mast

    The flags were flown at half-mast for a week.

    A single flag hung from the mast outside the town hall.

    Students raised the school flag up the mast.

Word forms

pluralmasts

Common combinations

main mast
The captain stood below the main mast.
half-mast
The flag was flown at half-mast.
ship's mast
The ship's mast rose high above the deck.
mast and sail
The boat had one mast and a single sail.
before the mast
He spent two years sailing before the mast.
phone mast
Residents protested the new phone mast.

Synonyms and how they differ

pole
Pole is a general word for any long upright piece of wood or metal, while mast is for ships and signal towers.
spar
Spar is a sailing term for any pole supporting sails, including horizontal ones, and is broader than mast.
tower
Tower suggests a large, wide structure, whereas a mast is slender and often held by cables.
flagpole
Flagpole is exclusively for flags, while a ship's mast has other jobs as well.

Word family

mainmast noun
the principal mast of a sailing ship
foremast noun
the mast nearest the front of a ship
mizzenmast noun
the mast behind the main mast
masthead noun
the top of a mast, or the newspaper title area
three-masted adjective
having three masts

Commonly confused: mast or must? mast or mass?

mast vs must

Must is a modal verb meaning have to; it is easy to mistype for mast, but the vowel and meaning differ.

mast vs mass

Mass means a large amount or the amount of matter in something, and is spelled and pronounced differently from mast.

Practice

What does a sailor mean by 'the mast'?

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