[noun] [C] - a continuous pain which is unpleasant but not strongAs you get older, you have all sorts of aches and pains.I've got a dull (= slight) ache in my lower back.Ache is often used in combinations.earache/heartache/bellyache/headache/toothache/backacheI've had (a) stomach ache all morning.
ACHE
Meaning of ACHE in English
Cambridge English vocab. Кембриджский английский словарь. 2012