Lewis & Short

lingŭlāca, ae [lingula].

  1. I. Comm., a gossip, chatterbox: ea (uxor) lingulaca est nobis: numquam tacet, Plaut. Cas. 2, 8, 62: lingulacae obtrectatores, Varr. ap. Non. 26, 18; Gell. 1, 15.
  2. II. Fem.
    1. A. A kind of fish, a sole, Varr. L. L. 5, § 77; Paul. ex Fest. p. 117 Müll.
    2. B. A plant (perhaps Ranunculus lingua, Linn.), the marsh crowfoot, Plin. 25, 11, 84, § 133.