Wordnet 3.0
ADJECTIVE (1)
1. 
 of or relating to the head; 
The Collaborative International Dictionary of English v.0.48:
Cephalic \Ce*phal"ic\, a. [L. cephalicus, Gr. ?, fr. kefalh`
   head: cf. F. c['e]phalique.] (Anat.)
   Of or pertaining to the head. See the Note under Anterior.
   [1913 Webster]
   Cephalic index (Anat.), the ratio of the breadth of the
      cranium to the length, which is taken as the standard, and
      equal to 100; the breadth index.
   Cephalic vein, a large vein running from the back of the
      head alond the arm; -- so named because the ancients used
      to open it for disorders of the head. --Dunglison.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Cephalic \Ce*pha"lic\, n.
   A medicine for headache, or other disorder in the head.
   [1913 Webster]
WordNet (r) 3.0 (2006):
cephalic
    adj 1: of or relating to the head [ant: caudal]