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English definition of “ache”

ache

noun [C]  /eɪk/ us  
a continuous pain that is unpleasant but not usually strong: She has a fever, muscle aches, and a cough. Ache is often used in combination: earache/headache/toothache

ache

verb  /eɪk/ us  
to have a continuous pain that is unpleasant but not usually strong: [I] They did pushups until their arms ached. [I] fig. Her heart ached (= She felt very sorry) for the people who had lost their loved ones in the plane crash.
(Definition of ache from the Cambridge Academic Content Dictionary © Cambridge University Press)
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