Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

cognōmĭnis, e (abl. cognomine, v. the foll.; cf.: bimestris, coelestis al.), adj. [cognomen], like-named, of the same name (mostly poet. or in post-Aug. prose); with gen., dat., or absol.: duae germanae meretrices cognomines, Plaut. Bacch. 1, 1, 5: cognomine Insubribus pago Haeduorum, Liv. 5, 34, 9 Weissenb. ad loc.: flumen Absarrum cum castello cognomine, Plin. 6, 4, 4, § 12: mox Asiacae cognomines flumini, id. 4, 12, 26, § 82: eorum, id. 6, 2, 2, § 5; Suet. Vit. 2: gaudet cognomine terrā, Verg. A. 6, 383 Forbig. ad loc. (Rib. terrae); Suet. Fragm. ap. Serv. ad Verg. A. 6, 383: cognominem patriae suae Salamina constituit, Vell. 1, 1, 1: sibi, Suet. Oth. 1.

cognōmĭno, āvi, ātum, 1, v. a. [cognomen].

  1. I. To furnish with a surname, to surname, denominate (mostly post-Aug.; only once in Cic.): amaracum Phrygium, Plin. 21, 11, 39, § 67; 21, 3, 7, § 10; * Quint. 4, 1, 2; Suet. Tib. 17.
    In part. pass.: quo ex facto ipse posterique ejus Torquati sunt cognominati, Quadr. ap. Gell. 9, 13, 19; Suet. Aug. 7; Plin. 35, 10, 37, § 112; 33, 10, 17, § 133; Flor. 3, 5, 1: verba cognominata, i. e. synonyms, * Cic. Part. Or. 15, 53.
  2. II. Rarely in gen., to name, call: Macedonia … Emathia cognominata est, Just. 7, 1, 1; so id. 15, 2, 11; Gell. 2, 22, 8.