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Noun: twosome  too-sum
  1. Two items of the same kind
    - couple, pair, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad
  2. A pair who associate with one another
    "an inseparable twosome";
    - couple, duo, duet

Derived forms: twosomes

Type of: 2, deuce, II, pair, two