'Lentil' definitions:

Definition of 'lentil'

From: WordNet
noun
Round flat seed of the lentil plant used for food
noun
The fruit or seed of a lentil plant
noun
Widely cultivated Eurasian annual herb grown for its edible flattened seeds that are cooked like peas and also ground into meal and for its leafy stalks that are used as fodder [syn: lentil, lentil plant, Lens culinaris]

Definition of 'Lentil'

From: GCIDE
  • Lentil \Len"til\ (l[e^]n"t[i^]l), n. [F. lentille, fr. L. lenticula, dim. of lens, lentis, lentil. Cf. Lens.] (Bot.) A leguminous plant of the genus Ervum (Ervum Lens), of small size, common in the fields in Europe. Also, its seed, which is used for food on the continent. [1913 Webster]
  • Note: The lentil of the Scriptures probably included several other vetchlike plants. [1913 Webster]
  • Lentil shell (Zool.), a small bivalve shell of the genus Ervillia, family Tellinid[ae]. [1913 Webster]