Alcidae alcidae • alcides · · · Info · Definitions · Characters · · Alcidae · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) web-footed diving seabirds of northern seas: auks; puffins; guillemots; murres; etc.. Synonyms: family Alcidae. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C