• (a.) Having jesses on, as a hawk.
Jessed adjective (Her.) Having jesses on, as a hawk. 
jess, jessing, jessed 1. A short strap with a ring for attaching a leash, fastened around one of the legs of a falcon or other trained bird of prey/ 2. To put a jess on a bird. 3. Etymology: from about the 14th century, from Old French ges, form of get, 'act of throwing'; from Latin jactus which comes from jacere, 'to throw'.