manned (Adjective) — Having a crew. ex. "a manned earth satellite was considered a necessary research step"
manned (Verb) — Take charge of a certain job; occupy a certain work place. ex. "Mr. Smith manned the reception desk in the morning"
manned (Verb) — Provide with workers. ex. "We cannot man all the desks" ex. "Students were manning the booths"
manned (Verb) — (dialect) must.