Definition of "sepia" in English

noun

1. (uncountable) A dark brown pigment made from the secretions of the cuttlefish.

2. (uncountable) A dark, slightly reddish, brown colour.

3. (by extension, countable) A sepia-coloured drawing or photograph.

4. (archaic, countable) A cuttlefish.

adjective

1. Of a dark reddish-brown colour.