(transitive) To divest or deprive of a cowl (monk's hood or hooded robe). / (transitive, figuratively, archaic) To uncover; to unveil. / (instransitive) To remove or pull back one's cowl.

(mineralogy) A monoclinic-prismatic white mineral containing antimony, arsenic, molybdenum, and oxygen.

(transitive) To restore (something flattened) to its previous form.

A surname from Irish.