man, male human being / husband

(idiomatic) in private and in total honesty (of two men; sometimes used to indicate that the person is familiar with the matter at hand, especially if concerning male topics)

contact man, go-between, undercover agent (working for the police or a secret service)

(mining): old man-made tunnel, sometimes filled or collapsed

Alternative form of Exmann

(historical, Nazism) SS man, member of the Schutzstaffel (the internal security force of Nazi Germany)

man in the moon

to stand one's ground

(somewhat informal) to a man, with everybody, with all means available

Used other than figuratively or idiomatically: see Mann, mit, der, Hammer. / hitting the wall