I. In gen., an opening, hole, passage (so most freq. in Lucr.), Lucr. 2, 951; 3, 707: “per caulas corporis,” id. 3, 255; 3, 702; 6, 839: “per caulas palati,” id. 4, 620; 4, 660: “per caulas aetheris,” id. 6, 492: intra caulas (aedis Saturni), Lex Corn. XX Quaest. 2, 41; cf.: “caulae (Jani) pace clauduntur,” Macr. S. 1, 9; v. Lucr. 2, p. 374 sq. Lachm. —Hence,
II. Esp.
A. A sheepfold or cote, Verg. A. 9, 60 Serv.—*
B. An enclosure, Inscr. Murat. 191, 3.