(~s)
1.
A ~ is a bright yellow fruit with very sour juice. Lemons grow on trees in warm countries.
...a slice of ~.
...oranges, ~s and other citrus fruits.
...~ juice.
N-VAR
2.
Lemon is a drink that tastes of ~s.
N-UNCOUNT
LEMON
Meaning of LEMON in English
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012