1. [proper noun] A taxonomic genus within the family Dorididae ? sea slugs, specifically, dorid nudibranchs.
2. [proper noun] (Greek mythology) The daughter of Oceanus, wife of Nereus and mother of fifty sea-nymphs or nereids.
3. [proper noun] (astronomy) Short for 48 Doris, a main belt asteroid.
4. [proper noun] A female given name, taken to regular use at the end of the 19th century.
5. [proper noun] (British) (slang) One's girl friend, wife or significant other.
