lemma

lemma1
[ˈlɛmə]
(pl. lemmas lemmata )
  1. a subsidiary or intermediate theorem in an argument or proof
    引理,辅助定理
  2. a heading indicating the subject or argument of a literary composition, an annotation, or a dictionary entry
    (文艺作品)主题;论证;注释;(字典)词目,条目
  3. a word or phrase defined in a dictionary or entered in a word list
    词典条目;词表词条
语源
  1. late 16th cent.: via Latin from Greek lēmma 'something assumed'; related to lambanein 'take'

lemma2
[ˈlɛmə]
(pl. lemmas lemmata -mətə)
  1. (Botany)the lower bract of the floret of a grass
    (植)外稃。 比较 palea
语源
  1. mid 18th cent. (denoting the husk or shell of a fruit): from Greek, from lepein 'to peel'
英语宝典
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