Definition of or

Definition of or
  1. or Conjunction Connects at least two words, phrases, clauses, etc. that each could make a sentence true. In English, this is the "inclusive or." The "exclusive or" is "either...or".
  2. or Conjunction Logical union of two sets of values. There are two forms, an exclusive or and an inclusive or.
  3. or Conjunction Counts the elements before and after as two possibilities.
  4. or Conjunction otherwise; a consequence of the condition that the previous is false
  5. or Noun The gold or yellow tincture on a coat of arms.
  6. or Adjective Of gold or yellow tincture on a coat of arms.
  7. or Adverb Early (on).
  8. or Adverb Earlier, previously.
  9. or Preposition Before; ere.
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