hemicrania Meaning, Definition & Usage

  1. noun a severe recurring vascular headache; occurs more frequently in women than men
    migraine; sick headache; megrim.

WordNet

Hem`i*cra"ni*a noun
Etymology
L.: cf. F. hémicrânie. See Cranium, and Megrim.
Definitions
  1. (Med.) A pain that affects only one side of the head.

Webster 1913