The word "lemon" refers to a sour citrus fruit with a yellow color. It is often used to describe something that is not good or defective, especially when talking about cars or products. Full definition
Pour in the orange juice + lemon juice mixture on the pan with high heat. (delightfultastebuds.com)
I have been drinking 2 tablespoons of lemon juice with 2 tablespoons of olive oil in 4 ounces of water every morning a half hour before breakfast. (thechalkboardmag.com)
Tip: For a tasty twist, substitute orange or grapefruit zest for lemon zest in the sugar! (the-chew-recipes.com)