The Collaborative International Dictionary of English v.0.48:
Tonsured \Ton"sured\, a. Having the tonsure; shaven; shorn; clipped; hence, bald. [1913 Webster] A tonsured head in middle age forlorn. --Tennyson. [1913 Webster]WordNet (r) 3.0 (2006):
tonsured adj 1: having a bald spot either shaved or natural; "tonsured monks"