The Collaborative International Dictionary of English v.0.48:
Tonsorial \Ton*so"ri*al\, a. [L. tonsorius, fr. tonsor a shearer, barber, fr. tondere, tonsum, to shear. See Tonsure.] Of or pertaining to a barber, or shaving. [1913 Webster]WordNet (r) 3.0 (2006):
tonsorial adj 1: of or relating to barbers and barbering; "tonsorial work"; "tonsorial parlor"