noun pl. lemmas -·mas or lemmata -·mata (-ə tə)

1. a proposition proved, or sometimes assumed, to be true and used in proving a theorem
2. the subject of a composition, gloss, or note, esp. when used as a heading
3. a term glossed in a list

Etymology: L < Gr lēmma, something taken or received, something taken for granted < lambanein, to seize, assume < IE base *(s)lagw-, to grasp > latch

noun

Etymology: Gr, a husk < base of lepein, to peel: see leper