The Collaborative International Dictionary of English v.0.48:
Cowled \Cowled\ (kould), a. Wearing a cowl; hooded; as, a cowled monk. "That cowled churchman." --Emerson. [1913 Webster]WordNet (r) 3.0 (2006):
cowled adj 1: having the head enclosed in a cowl or hood; "a cowled monk"