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main (EN)
adjective, noun, verb

adjective “main”

base form main, non-gradable
  1. most important; chief; principal.
    The main reason for the delay was heavy traffic.

noun “main”

singular main, plural mains
  1. a large pipe or cable that carries a utility service such as water, electricity, or gas.
    The water main burst, causing the street to flood.
  2. the principal dish of a meal; main course.
    For my main, I'd like the grilled salmon.
  3. (internet slang) a primary account used on a platform or game.
    His main got banned, so he switched to his backup account.
  4. (gaming) the primary character or class that one plays in a video game.
    She always chooses the knight as her main.
  5. (nautical) short for mainsail
    The sailor adjusted the main to catch the wind.

verb “main”

infinitive main; he mains; past tense mained; past part. mained; ger. maining
  1. (gaming) to primarily play as a specific character or class in a video game.
    He mains the sniper class in that game.