The Collaborative International Dictionary of English v.0.48:

Bandage \Band"age\, v. t. [imp. & p. p. Bandaged
   (b[a^]nd"[asl]jd); p. pr. & vb. n. Bandaging
   (b[a^]nd"[asl]*j[i^]ng).]
   To bind, dress, or cover, with a bandage; as, to bandage the
   eyes.
   [1913 Webster] band-aid
   Band-Aid

WordNet (r) 3.0 (2006):

bandaging
    n 1: the act of applying a bandage [syn: dressing,
         bandaging, binding]