I. Lit., a piece of standing water (whether permanent or formed by the overflowing of a stream], a pool, pond, swamp, fen, etc. (cf.: lacus, palus): propter stagna, ubi lanigerum pecus piscibus pascit, Enn. ap. Paul. ex Fest. p. 59 Müll. (Sat. v. 42 Vahl.): “super ripas Tiberis effusus lenibus stagnis,” Liv. 1, 4, 4; cf. Varr. ap. Non. 217, 2 (as an example for stativae aquae); Cic. poët. Div. 1, 9; Auct. ap. Cic. Agr. 3, 2, 7; Tib. 1, 3, 77; Verg. A. 6, 323: “undique latius Extenta Lucrino Stagna lacu,” Hor. C. 2, 15, 4: “immensa stagna lacusque,” Ov. M. 1, 38; Liv. 26, 48, 4 al.—
II. Poet., transf., waters in gen.: hiemem sensit Neptunus et imis Stagna refusa vadis. Verg. A. 1, 126: “Nerei Stagna,” id. ib. 10, 764: “rubri stagna profundi,” Luc. 8, 853; cf. Sil. 7, 282: “stagna tepentis aquae,” Prop. 3, 18 (4, 17), 2: “Phrixeae stagna sororis,” i. e. the Hellespont, Ov. F. 4, 278: “Euripi,” id. P. 1, 8, 38: “stagnum ignis,” a lake of fire, Vulg. Apoc. 19, 20; 20, 10.