Lewis & Short

com-par (conp-), păris, adj. (abl. compari, Liv. 36, 44, 7: compare, Ov. Am. 3, 5, 38; id. A. A. 3, 359; gen. plur. comparum, Plaut. Ps. 1, 1, 64), like or equal to another (poet.; after the Aug. per. also in prose).

  1. I. Adj.
          1. (α) With dat.: natura viri compar uxori, * Lucr. 4, 1251: consilium consilio, Liv. 28, 42, 20: milites militibus, centurionibus centuriones, tribuni tribunis compares, id. 8, 6, 15.
          2. (β) With gen.: eorum, Gell. 6 (7), 11, 1.
          3. (γ) Absol.: conubium, Liv. 1, 9, 5: postulatio Latinorum, id. 23, 6, 8: compari Marte concurrerat, id. 36, 44, 7.
  2. II. Subst. comm., an equal, a companion, comrade, colleague, Plaut. Ps. 4, 3, 9; * Hor. C. 2, 5, 2.
    1. B. Esp.
      1. 1. One beloved, a spouse, consort, mate, Plaut. Ps. 1, 1, 64; id. Cas. 4, 2, 18; * Cat. 68, 126; Ov. Am. 3, 5, 38; Inscr. Orell. 2656; so of the queen in chess, Ov. A. A. 3, 359.
      2. * 2. A figure of speech whereby several members of a period have an equal number of syllables, Auct. Her. 4, 20. 27.