Cowl
/kaʊl/
noun
A monk's hood that can be pulled forward to cover the face; a robe with such a hood attached to it.
A mask that covers the majority of the head.
A thin protective covering over all or part of an engine; also cowling.
verb
To cover with, or as if with, a cowl (hood).
To wrap or form (something made of fabric) like a cowl.
To make a monk of (a person).