'Epithelial' definitions:

Definition of 'epithelial'

(from WordNet)
adjective
Of or belonging to the epithelium; "epithelial layer"

Definition of 'Epithelial'

From: GCIDE
  • Epithelial \Ep`i*the"li*al\, a. Of or pertaining to epithelium; as, epithelial cells; epithelial cancer. [1913 Webster]