I.a cave, cavern, grotto (almost entirely confined to the poets).
I. Lit.: “succedere antro,” Verg. E. 5, 19: “subire antra,” Ov. M. 1, 121: “occulere se antro,” Val. Fl. 8, 315: “ingens,” Verg. A. 6, 42: “gratum,” Hor. C. 1, 5, 3: “gelida antra,” Verg. G. 4, 509: “silvestria,” Ov. M. 13, 47: “Dionaeo sub antro,” Hor. C. 2, 1, 39: “vos Caesarem Pierio recreatis antro,” id. ib. 3, 4, 40: “quibus antris audiar?” id. ib. 3, 25, 4: “harenosum Libyae Jovis antrum,” Prop. 5, 1, 103: “effossa antra,” Mart. 13, 60; Stat. S. 4, 6; Sil. 6, 149 et saep.—In prose mostly in eccl. Lat., Vulg. Gen. 23, 20; ib. Jud. 6, 2; ib. 1 Reg. 13, 6; ib. Job, 37, 8; “38, 40: per antra et cavas rupes,” Suet. Tib. 43.—
II. Fig., of the hollow of a tree: “ekesae arboris antrum,” Verg. G. 4, 44.—Of a sedan: “clausum antrum,” Juv. 4, 21.—Later, of any cavity: “narium,” Sid. Ep. 1, 2: “palati,” id. ib. 9, 13: “pectoris,” Prud. Psych. 6, 774.
