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Adjective. From Middle English maynmainmainemæinmeyn, from main (noun) (see further at the noun etymology); compare Old English mægen- (strong, main, principal) and Old Norse megnmegenn (strong, main). The word is cognate with Old High German megīn (strong, mighty) (modern German MögeVermögen (power, wealth)), and also akin to Old English magan (to be able to).

Noun. From Middle English maynmainmainemæinemæȝen, from Old English mæġen (strength), from Proto-Germanic *maginą (strength, power, might)*maginaz (strong), from Proto-Indo-European *megʰ- (be able). The word is cognate with Old High German magenmeginOld Norse magnmegnmeginOld Saxon megin. More recent senses are derived from the adjective.


main (not comparable)

  1. Of chief or leading importance; prime, principal. [from 15th c.]
  2. Chief, most important, or principal in extent, size, or strength; consisting of the largest part.
    Synonym: largest
    main timbers
    main branch of a river
    main body of an army
  3. (archaic, of force, strength, etc.) Full, sheer, undivided. [from 16th c.]
  4. (dialectal) Big; angry.
  5. (nautical) Belonging to or connected with the principal mast in a vessel.
  6. (obsolete) Great in size or degree; important, powerful, strong, vast.


main (comparative more mainsuperlative most main)

  1. (Britain, dialectal) Exceedingly, extremely, greatly, mightily, very, very much.


main (third-person singular simple present mainspresent participle mainingsimple past and past participle mained)

  1. (transitive) Short for mainline (to inject (a drug) directly into a vein).
  2. (transitive, gaming) To mainly play a specific character or side, or with specific equipment, during a game.
    He mains the same character as me in that game.
    What race do you main and what is your favourite race to beat?
    For new players, I recommend maining the dagger and using the axe as a backup weapon.
  3. (obsolete) To convert (a road) into a main or primary road.


main (plural mains)

  1. That which is chief or principal; the chief or main portion; the bulk, the greater part, gross.
    1. (video games) The primary character that one plays in a video game in which one can play more than one character.
      Antonym: alt
      My WoW main has reached level cap and I’m on my way getting my first alt there as well.
  2. A large cable or pipe providing utility service to an area or a building, such as a water main or electric main. [from 17th c.]
  3. (informal) Short for main course (the principal dish of a meal).
    I had scampi and chips for my main and a slice of cheesecake for dessert.
  4. (now poetic) The high seas. [from 16th c.]
  5. (now archaic, US dialectal) The mainland. [from 16th c.]
  6. (nautical) Short for mainsail[from 17th c.]
  7. (obsolete, except in might and main) Force, power, strength, violent effort. [from 9th c.]

May also mean as a noun

Origin uncertain; probably from the adjective main. Evidence is lacking for a derivation from French main (hand).

main (plural mains)

  1. (obsolete, gaming) A hand or match in a game of dice.
  2. (obsolete, gaming) The largest throw in a match at dice; in the game of hazard, a number from one to nine called out by a person before the dice are thrown.
  3. (obsolete, gaming) A stake played for at dice.
  4. (obsolete, gaming, sports) A sporting contest or match, especially a cockfighting match.
  5. A banker’s shovel for coins.
  6. (obsolete, rare) A basket for gathering grapes.
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