- a small, egg-shaped, edible citrus fruit with a yellow rind and a juicy, sour pulp, rich in ascorbic acid
- the small, spiny, semitropical evergreen citrus tree (Citrus limon) bearing this fruit
- any of various shades of yellow; specif.,also lemon yellow
- pale yellow
- bright yellow
- greenish yellow
- Informal
- something, esp. a manufactured article, that is defective or imperfect
- an inadequate person
Origin of lemon
Middle English lymon from Middle French limon from Arabic laim?n from Persian l?m?n- having the color of a lemon; pale to bright yellow
- made with or from lemons
- having a flavor more or less like that of lemons
