WordWeb Online

1. A subsidiary proposition that is assumed to be true in order to prove another proposition
    
2. The lower and stouter of the two glumes immediately enclosing the floret in most Gramineae
   - flowering glume
    
3. The heading that indicates the subject of an annotation or a literary composition or a dictionary entry

Derived forms: lemmas, lemmata

Type of: glume, head, header, heading, proposition

Encyclopedia: Lemma, Daniel