Lewis Short
(adjective) : cūmātĭlis (cȳm-), e, from κῦμα, with the Lat. ending ilis.
* Adj., of the waves: deus,i. e. Neptune,Commod. 10, 1.
* Esp., sea-colored, water-colored, blue: colos, Titin. ap. Non. p. 548, 11 (Com. Rel. v. 114 Rib.).
* Subst.: cūmātĭle, is, n., a bluish garment, Plaut. Ep. 2, 2, 49.
Charlton T. Lewis, Charles Short, A Latin Dictionary