Lemma

Lemma (from Ancient Greek λῆμμα premise, assumption, from Greek λαμβάνω I take, I get) may refer to:

Language and linguistics

 * Lemma (morphology), the canonical, dictionary or citation form of a word
 * Lemma (psycholinguistics), a mental abstraction of a word about to be uttered

Science and mathematics

 * Lemma (botany), a part of a grass plant
 * Lemma (mathematics), a proven proposition used as a step in a larger proof

Other uses

 * Lemma (album), by John Zorn (2013)
 * Lemma (logic), an informal contention