verb: (idiomatic) To "be a man about it"; to do the things a man is traditionally expected to do, such as taking responsibility for the consequences of one's actions; displaying bravery or toughness in the face of danger, adversity, or a challenge; providing for one's family, etc. (Compare man (“brace oneself, steel oneself”).)
verb: (military) (Of personnel) to assemble, each person manning (attending to) his station, prepared for the departure of an aircraft, ship, etc. (Compare man (“supply with staff; take up position to operate”).)
verb: (of other personnel) To staff adequately; to staff up; to successfully fill all needed labor positions. (Compare man (“supply with staff”).)
verb: (sports) To vigorously guard the opponent to whom one is assigned.