Noah Webster's Dictionary (n.) 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.

Multi-Version Concordance Lentil (1 Occurrence) Genesis 25:34 Jacob gave Esau bread and stew of lentils. He ate and drank, rose up, and went his way. So Esau despised his birthright. (Root in WEB KJV JPS ASV DBY WBS YLT NAS RSV NIV)