Meaning

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

originFrom Middle English lentile, from Old French lentille from Latin lenticula, diminutive of lēns, from a pre-Indo-European substrate source shared by German Linse, Ancient Greek λάθυρος (láthuros) and Lithuanian lęšis. Doublet of lenticula.

Etymology from Wiktionary, CC BY-SA 3.0