Lewis & Short

centuncŭlus, i, m. dim. [1. cento].

  1. I. A small patch or patchwork, Sen. Ep. 80, 8; App. M. 1, p. 104 al.
    1. B. Esp., a partycolored saddle-cloth, Liv. 7, 14, 7 Weissenb.
  2. II. A plant, bind-weed, knotweed: Polygonum convolvulus, Linn.; Plin. 24, 15, 88, § 138; as fem., id. 26, 11, 66, § 105.