[UN-1 8 + BARBED ppl. a.2] Unarmed; not caparisoned; unbarded.

1

1565.  Cooper, Thesaurus, Equus patens vulneri, a horse vnbarbed, and in daunger to be wounded.

2

1607.  Shaks., Cor., III. ii. 99. Must I goe shew them my vnbarb’d Sconce?

3