mast

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mast¹

  • /mɑːst/ UK
  • /mæst/ Canada, Northern England, US

Sounds like massed (/mæst/) · Rhymes with -ɑːst, -æst

Where it comes from

From Middle English mast, from Old English mæst (“mast”), from Proto-West Germanic *mast, from Proto-Germanic *mastaz (“mast, sail-pole”), from Proto-Indo-European *mazdos (“pole, mast”).

Cognate with Dutch mast, German Mast, and via Indo-European with Latin mālus, Russian мост (most, “bridge”), Irish adhmad.

noun masts

  1. A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter).
  2. A nonjudicial punishment ("NJP"); a disciplinary hearing under which a commanding officer studies and disposes of cases involving those under his command; a meritorious mast.

verb masts · masting · masted

  1. To supply and fit a mast to (a ship).

mast²

  • /mɑːst/ UK
  • /mæst/ Canada, Northern England, US

Sounds like massed (/mæst/) · Rhymes with -ɑːst, -æst

Where it comes from

From Old English mæst (“fallen nuts, food for swine”) and mæstan (“to fatten”), from West Germanic; probably related to meat.

noun masts

  1. countable, uncountable The fruit of forest-trees (beech, oak, chestnut, pecan, etc.), especially if having fallen from the tree, used as fodder for pigs and other animals. She ſhut them ſtraight in ſties; and gaue them meate / Oke-maſt, and beech, and Cornell fruite, they eate, […]

verb masts · masting · masted

  1. of swine and other animals To feed on forest seed or fruit.
  2. of a population of plants To produce a very large quantity of fruit or seed in certain years but not others. Any individual tree which masted in a generally non-mast year would be subjected to the exclusive attention of the seed predators and so would be selected against.

mast³

  • /mɑːst/ UK
  • /mæst/ Canada, Northern England, US

Sounds like massed (/mæst/) · Rhymes with -ɑːst, -æst

Where it comes from

Clipping of Masteron.

noun

  1. slang, uncountable The anabolic steroid drostanolone propionate, also known as Masteron

mast⁴

  • /mɑːst/ UK
  • /mæst/ Canada, Northern England, US

Sounds like massed (/mæst/) · Rhymes with -ɑːst, -æst

Where it comes from

From French masse, with -t probably after Etymology 1, above.

noun masts

  1. obsolete A type of heavy cue, with the broad end of which one strikes the ball. Godfrey thus conquered, pretended to lose his temper, curs'd his own ill luck, swore that the table had a cast, and that the balls did not run true, changed his mast, and with great warmth challenged his enemy to double his sum.

Mast⁵

Where it comes from

* As a Dutch surname, from the noun mast (“mast (pole on a ship)”).

* Also as a Dutch surname, from the noun mast (“fodder”).

* As a German and Alemannic German surname, from the noun Mast (“fat”), itself related to the sense of "fodder" above.

proper noun

  1. A surname.

MAST⁶

noun MASTs

  1. abbreviation, initialism Initialism of military antishock trousers; inflatable trousers that apply pressure to the inferior half of a patient's body to decrease blood loss and prevent the onset of shock, similar to a tourniquet.

    Similar: PASG

Thesaurus

Closest in meaning: maintop, sprit, topgallant, masthead, mizzen, flagpole, pole, spar, mat, foretop, morn, food, par, boom, position, post

Translations

Every language

noun support of a sail

Españolmástil, mastelero
한국어돛대 dotdae
日本語マスト masuto, 帆柱 hobashira
中文桅 wéi, 桅杆 wéigān
हिन्दीमस्तूल mastūl, कूपदंड kūpdaṇḍ
Kiswahilimlingoti
Portuguêsmastro
Françaismât
DeutschMast
Italianoalbero
Ελληνικάιστός istós
Românăcatarg, arbore
Русскийма́чта máčta, ма́шта mášta
Tiếng Việtcột buồm, cột
العربيةصَارٍ ṣārin
עבריתתֹּרֶן tóren

verb supply and fit a mast to a ship

Italianoalberare, inalberare
עבריתהִתְקִין תֹּרֶן hitkin toren

noun fruit of forest-trees

Françaisfaine
DeutschMast

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Cite this
MLA

"mast." Wiktionary, via Micwyn, micwyn.com/word/mast. Accessed 6 Nov. 2026.

APA

mast. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/mast

Chicago

"mast." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/mast.

BibTeX
@misc{mast_2026,
  title = {mast},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/mast},
  urldate = {2026-11-06}
}