ache noun - Definition, pictures, pronunciation and usage notes
https://www.oxfordlearnersdictionaries.com/definition/english/ache_2
WEBache. noun. /eɪk/. /eɪk/. (often in compounds) a continuous feeling of pain in a part of the body. Mummy, I've got a tummy ache. Muscular aches and pains can be soothed by a relaxing massage. (figurative) an ache in my heart (= a continuous sad feeling) see also achy, backache, bellyache, headache, heartache, stomach ache, toothache.
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