Lemon
A lemon was a sour citrus fruit native to Earth.

Captain Jonathan Archer and  drank their iced tea with lemon wedges. ()

In 2152, the replicator at an automated repair station added lemon wedges to the pan-fried catfish  ordered. ()
 
In the late 2250s, the food synthesizers aboard the  offered lemon ice cream. ()

In 2367, Jean-Luc Picard offered Simon Tarses lemon for his tea, but he declined. Admiral Norah Satie drank her tea with lemon. () 

In 2370, Benjamin Sisko requested a Chiraltan tea with a double twist of lemon. ()

Ensign Michael Parsons usually liked his pejuta hot with lemon. ()

Lemons were also used to make lemonade. ()

Metaphorically, a lemon was something that failed to live up to expectations. In 2366, Captain Picard hoped the Barzan wormhole wouldn't turn out as the "proverbial lemon". Data was unfamiliar with the expression. () In 2375, Tom Paris feared that the quantum slipstream drive was a lemon. ()

Lemon products 
 Lemon meringue pie
 Lemon tea

See also
Edsel
Lime

External link

nl:Citroen
de:Zitrone
Earth foods
Earth plants
Slang
Fruits