1. (noun)lemma a subsidiary proposition that is assumed to be true in order to prove another proposition Synonyms: floweringglume
2. (noun)lemma, flowering glume the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae Synonyms: lemma, floweringglume
3. (noun)lemma the heading that indicates the subject of an annotation or a literary composition or a dictionary entry Synonyms: floweringglume