n.; pl. E. Sepias L. Sepiae [ L., fr. Gr. &unr_;&unr_;&unr_; the cuttlefish, or squid. ] 1. (Zool.) (a) The common European cuttlefish. (b) A genus comprising the common cuttlefish and numerous similar species. See Illustr. under Cuttlefish. [ 1913 Webster ]

2. A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India. [ 1913 Webster ]

Sepia drawing or
Sepia picture, a drawing in monochrome, made in sepia alone, or in sepia with other brown pigments. [ 1913 Webster ]

a. Of a dark brown color, with a little red in its composition; also, made of, or done in, sepia. [ 1913 Webster ]