(1):
(v. t.) To emasculate; to deprive of virility.
(2):
(v. t.) To deprive of the courage and fortitude of a man; to break or subdue the manly spirit in; to cause to despond; to dishearten; to make womanish.
(3):
(v. t.) To deprive of the distinctive qualities of a human being, as reason, or the like.
(4):
(v. t.) To deprive of men; as, to unman a ship.