Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cluster_headache
1 sense of cluster headache
Sense 1
histamine headache, cluster headache -- (a painful recurring headache associated with the release of histamine from cells)
=> headache, head ache, cephalalgia -- (pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs)