Search Result for "headache": 
Wordnet 3.0

NOUN (2)

1. something or someone that causes anxiety; a source of unhappiness;
- Example: "New York traffic is a constant concern"
- Example: "it's a major worry"
[syn: concern, worry, headache, vexation]

2. pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs;
[syn: headache, head ache, cephalalgia]



The Collaborative International Dictionary of English v.0.48:

Headache \Head"ache`\ (h[e^]d"[=a]k`), n.
   Pain in the head; cephalalgia. "Headaches and shivering
   fits." --Macaulay.
   [1913 Webster]


WordNet (r) 3.0 (2006):

headache
    n 1: something or someone that causes anxiety; a source of
         unhappiness; "New York traffic is a constant concern";
         "it's a major worry" [syn: concern, worry, headache,
         vexation]
    2: pain in the head caused by dilation of cerebral arteries or
       muscle contractions or a reaction to drugs [syn: headache,
       head ache, cephalalgia]