Search Result for "tension headache":
Wordnet 3.0

NOUN (1)

1. a headache located at the back of the head; usually caused by body tension resulting from overwork or psychological stress; 



WordNet (r) 3.0 (2006):

tension headache
    n 1: a headache located at the back of the head; usually caused
         by body tension resulting from overwork or psychological
         stress