Search Result for "cluster_headache":
Wordnet 3.0

NOUN (1)

1. a painful recurring headache associated with the release of histamine from cells;
[syn: histamine headache, cluster headache]



WordNet (r) 3.0 (2006):

cluster headache
    n 1: a painful recurring headache associated with the release of
         histamine from cells [syn: histamine headache, cluster
         headache]