Definition of nine

Definition of nine
  1. nine Cardinal number A numerical value equal to 9; the number occurring after eight and before ten.
  2. nine Cardinal number Describing a set or group with nine components.
  3. nine Noun The digit or figure.
  4. nine Noun A playing card with nine pips.
  5. nine Noun A nine-millimeter semi-automatic pistol.
  6. nine Noun A statistical unit of proportion (of reliability, purity, etc.).
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