The Collaborative International Dictionary of English v.0.48:

Facial \Fa"cial\, a. [LL. facialis, fr. L. facies face : cf. F.
   facial.]
   Of or pertaining to the face; as, the facial artery, vein, or
   nerve. -- Fa"cial*ly, adv.
   [1913 Webster]

   Facial angle (Anat.), the angle, in a skull, included
      between a straight line (ab, in the illustrations), from
      the most prominent part of the forehead to the front efge
      of the upper jaw bone, and another (cd) from this point to
      the center of the external auditory opening. See Gnathic
      index, under Gnathic.
      [1913 Webster]

WordNet (r) 3.0 (2006):

facial
    adj 1: of or concerning the face; "a facial massage"; "facial
           hair"; "facial expression"
    2: of or pertaining to the outside surface of an object
    n 1: cranial nerve that supplies facial muscles [syn: facial,
         facial nerve, nervus facialis, seventh cranial nerve]
    2: care for the face that usually involves cleansing and massage
       and the application of cosmetic creams