Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
An extremely painful, cyclical and unilateral headache.
Definition source: English Wiktionary via Wiktextract
Topics: medicine, pathology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a painful recurring headache associated with the release of histamine from cells
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: histamine headache
Antonyms: none provided
Broader terms: headache, head ache, cephalalgia
History
So called because such headaches tend to occur together, i.e. in clusters.
Across languages
5 source translations are retained for this English entry.
