Wordnet 3.0
ADJECTIVE (1)
1. 
 of or relating to the elbow; 
The Collaborative International Dictionary of English v.0.48:
Cubital \Cu"bit*al\ (k?"b?t-al), a. [L. cubitalis.]
   1. Of or pertaining to the cubit or ulna; as, the cubital
      nerve; the cubital artery; the cubital muscle.
      [1913 Webster]
   2. Of the length of a cubit. --Sir. T. Browne.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Cubital \Cu"bit*al\, n.
   A sleeve covering the arm from the elbow to the hand.
   --Crabb.
   [1913 Webster]
WordNet (r) 3.0 (2006):
cubital
    adj 1: of or relating to the elbow