Definify.com
Webster 1913 Edition
Cephalalgic
Cephˊa-lal′gic
,Adj.
 [L. 
cephalalgicus
, Gr. [GREEK].] (Med.) 
Relating to, or affected with, headache. 
– Noun.
 A remedy for the headache.
 Webster 1828 Edition
Cephalalgic
CEPHALALGIC
,Noun.