"manned" in the verb sense
1. man
take charge of a certain job occupy a certain work place
"Mr. Smith manned the reception desk in the morning"
2. man
provide with workers
"We cannot man all the desks"
"Students were manning the booths"
"manned" in the adjective sense
1. manned
having a crew
"a manned earth satellite was considered a necessary research step"
Source: WordNet® (An amazing lexical database of English)
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