Definition of Lemon

Noun: lemon le-mun

Yellow oval fruit with juicy acidic flesh
A strong yellow colour
- gamboge, lemon yellow, maize
A small evergreen tree that originated in Asia but is widely cultivated for its fruit
- lemon tree, Citrus limon
A distinctive tart flavour characteristic of lemons
An artifact (especially an automobile) that is defective or unsatisfactory
- stinker