Ache

n. continuous dull pain, hurt

v. suffer from a continuous dull pain, hurt; miss, yearn for

Ache may refer to:Ache (album), a You've Got Foetus on Your Breath albumAche (sensation), an unpleasant sensationThe American College of Healthcare Executives (ACHE)
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The Aché (also known by the hostile names Guayakí, Guaiaqui, Guoyagui, Guayaki, which literally mean rabid or ferocious rats; and the alternate spellings Ache or Axe meaning in their language human or person) are an indigenous people who lived in the subtropical forest of Eastern Paraguay as fulltime hunters until the 1970s, when they were confined to reservations. They have been the subject of anthropological research by Pierre Clastres.
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In biochemistry, cholinesterase is an enzyme which catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid, a reaction necessary to allow a cholinergic neuron to return to its resting state after activation.
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AChE acetylcholinesterase. ache n. A dull persistent pain. v. To suffer a dull, sustained pain. AChE, n.pr See acetyl cholinesterase. [more]Ache - Community and Resources

Noun
1. a dull persistent (usually moderately intense) pain
(synonym) aching
(hypernym) pain, hurting
(hyponym) toothache, odontalgia
(derivation) hurt, suffer
Verb
1. feel physical pain; "Were you hurting after the accident?"
(synonym) hurt, suffer
(hypernym) perceive, comprehend
(hyponym) catch, get
(derivation) aching
2. have a desire for something or someone who is not present; "She ached for a cigarette"; "I am pining for my lover"
(synonym) yearn, yen, pine, languish
(hypernym) hanker, long, yearn
(hyponym) die
3. be the source of pain
(synonym) smart, hurt
(hypernym) cause to be perceived
(hyponym) bite, sting, burn
(derivation) aching

n. celery, type of vegetable