Lewis Short
Chauci | Chauchi | Cauci | Chăūci | Chăȳci | Căȳco (noun M) : (in MSS. also , ; cf. upon the signif. and orthog. of the word, Rup. Tac. G. 35; poët. or , trisyl., Luc. 1, 463; Claud. ap. Eutr. 1, 379; and in sing.: , id. Laud. Stil. 1, 225), , , = Καῦχοι, Ptolem.; Καῦκοι, 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.
Charlton T. Lewis, Charles Short, A Latin Dictionary