Lewis & Short

cercūrus (cercȳrus), i, m., = κέρκουρος,

  1. I. a kind of light vessel peculiar to the Cyprians, Plaut. Merc. prol. 86; id. Stich. 2, 2, 44; Lucil. ap. Non. p. 533, 27; Liv. 33, 19, 10; Plin. 7, 56, 57, § 208.
  2. II. A sea-fish, Ov. Hal. 102; Plin. 32, 11, 54, § 152.