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legal (EN)
adjective, noun

adjective “legal”

base form legal (more/most)
  1. allowed by law
    Is it legal to park here without a permit?
  2. relating to the law or to lawyers
    She wants to start a legal career after graduating.
  3. valid according to the rules of a game
    In chess, moving the king two squares is not a legal move.
  4. (informal) old enough to be allowed by law to do something, especially related to age of consent or drinking
    She just turned 18, so she's finally legal.

noun “legal”

singular legal, plural legals or uncountable
  1. (informal) the legal department of a company
    Legal needs to approve the contract before we proceed.
  2. (US) paper in the size of 8½ × 14 inches
    Please print the documents on legal.
  3. (US, informal) someone who immigrated legally
    She worked hard to become a legal in this country.