A dark brown pigment made from the secretions of the cuttlefish. / A dark, slightly reddish, brown colour. / (by extension, countable) A sepia-coloured drawing or photograph.

(colour) Of a dark reddish-brown colour.

plural of sepia

(organic chemistry) The pigment 2-amino-6-[(2S)-2-hydroxypropanoyl]-7,8-dihydro-1H-pteridin-4-one

(biochemistry) An enzyme that catalyzes the NADPH-dependent reduction of various carbonyl substances, including derivatives of pteridines.

(zoology) Any cuttlefish in the family Sepiadariidae.

plural of sepiadariid

Resembling or characteristic of sepia.

(archaic) Of the sepia, i.e. the cuttlefish. / (dated, colour) Of a dark or inky colour, often in reference to skin pigmentation.

(US, sometimes capitalized, dated) A black American or African American.