lemma definition by Webster's New World
- a proposition proved, or sometimes assumed, to be true and used in proving a theorem
- the subject of a composition, gloss, or note, esp. when used as a heading
- a term glossed in a list
Origin: Classical Latin ; from Classical Greek lēmma, something taken or received, something taken for granted ; from lambanein, to seize, assume ; from Indo-European base an unverified form (s)lagw-, to grasp from source latch
Origin: Classical Greek a husk ; from base of lepein, to peel: see leper
lemma definition by American Heritage Dictionary
noun pl. lem·mas or lem·ma·ta
- A subsidiary proposition assumed to be valid and used to demonstrate a principal proposition.
- A theme, argument, or subject indicated in a title.
- A word or phrase treated in a glossary or similar listing.
Origin: Latin lēmma, from Greek, from lambanein, to take.
Origin: Greek, husk, from lepein, to peel.
lemma - Science Definition
Plural lemmas lemmas or lemmata