foursome Meaning, Definition & Usage

  1. noun four people considered as a unit
    quartette; quartet.
    • he joined a barbershop quartet
    • the foursome teed off before 9 a.m.
  2. noun the cardinal number that is the sum of three and one
    tetrad; quaternity; quadruplet; Little Joe; IV; four; quaternion; quatern; quaternary; quartet; 4.

WordNet