lemon

A yellowish citrus fruit.

A semitropical evergreen tree, Citrus limon, that bears such fruits.

A taste or flavour/flavor of lemons.

A more or less bright shade of yellow associated with lemon fruits.

A defective or inadequate item or individual.

“He didn’t realise until he’d paid for it that the car was a lemon.”

(shortened from “lemon flavour”) Favor.

“A thousand quid for that motor? Do me a lemon, I could get it for half that.”

A piece of fanfiction involving explicit sex (named after the erotic anime series Cream Lemon).

To flavour with lemon.

“You can start the vegetables cooking while you are lemoning the fish.”

Containing or having the flavour/flavor and/or scent of lemons.

Of the pale yellow colour/color of lemons.

(from "lemon tart") Smart; cheeky, vocal.