noun the common european cuttlefish.
2. sepia ·adj of a dark brown color, with a little red in its composition; also, made of, or done in, sepia.
3. sepia ·noun a genus comprising the common cuttlefish and numerous similar species. ·see illustr. under cuttlefish.
4. sepia ·noun 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.