Lemma

Lemma may refer to:

• Lemma (mathematics), a proven statement used as a stepping-stone toward the proof of another statement
• Lemma (morphology), the canonical form or citation form of a word
• Lemma (psycholinguistics), an intermediate form a word about to be uttered takes during speech production
• Headword, in lexicons
• Lemma (logic), which is simultaneously a premise for a contention above it and a contention for premises below it
• Lemma (botany), one of the specialised bracts enclosing a floret in a grass inflorescence