Cayco

Chauci (in MSS. also Chauchi, Cauci; cf. upon the signif. and orthog. of the word, Rup. Tac. G. 35; poët. Chăūci or Chăyci, trisyl., Luc. 1, 463; Claud. ap. Eutr. 1, 379; and in sing.: Căyco, id. Laud. Stil. 1, 225), ōrum, m., = Kauchoi, Ptolem.; Kaukoi, Strab., a people in Lower Germany, on the ocean, from the Ems to the Elbe, in the south to the region of Oldenburg and Bremen, divided into majores and minores, Vell. 2, 106, 1; Tac. G. 35; id. A. 2, 24; 11, 19; id. H. 4, 79; 5, 19; Suet. Claud. 24; Plin. 4, 24, 28, § 99; 16, 1, 1, § 2;

on account of his conquest of them, Gabinius Secundus received the cognomen Chaucius,

Suet. Claud. 24.