subset subsessile • subsewer · · · Info · Definitions · Characters · · subset · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a set whose members are members of another set; a set contained within another set. · · Noun Definition 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075