onion stem onion smut • onion structure · · · Info · Definitions · Synonyms · Characters · · onion stem · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a white agaric that tends to cluster and has a club-shaped base. Synonyms: onion stem, Lepiota cepaestipes. · · Noun Definition 1 Synonyms · · · lepiota cepaestipes · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074