Look up Lemma or lemma in Wiktionary, the free dictionary.

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

See also

• Analemma, a diagram showing the variation of the position of the Sun in the sky
• Dilemma
• Lema (disambiguation)
• Lemmatisation
• Neurolemma, part of a neuron