Lewis & Short

collectĭo (conl-), ōnis, f. [colligo].

  1. I. Abstr., a collecting together.
    1. A. Prop.: membrorum (Absyrti), Cic. Imp. Pomp. 9, 22: spiritūs, Petr. 98: fructuum, Dig. 9, 2, 27, § 25: terrae, Paul. ex Fest. p. 96, 17 Müll.
    2. B. Trop., the collecting, acquiring: amicorum (opp. detractio), Sen. Ep. 74, 25.
      1. 2. Esp.
        1. a. In rhet. lang., a summing up of things said, a short repetition, recapitulation, summary, ἀνακεφαλαίωσις, * Cic. Brut. 88, 302; Auct. Her. 1, 6, 10; Quint. 4, 4, 2.
        2. b. In post-Aug. philos. lang., argumentation, reasoning, a syllogism, a conclusion, inference, Sen. Ep. 45, 7; 85, 2; Quint. 9, 2, 103; Plin. 2, 23, 21, § 85; Arn. 1, 35.
  2. II. Concr. in medic. lang., a swelling, tumor, abscess, Plin. 22, 25, 58, § 122; 24, 4, 7, § 13; 26, 12, 79, § 127; 27, 12, 87, § 110 et saep.; Sen. Ep. 68, 7; Scrib. Comp. 206.