A servant or valet to an army officer.
(by extension) A personal assistant or supporter.
To act as a batman.
A unit of weight established in 1931 equal to 10 kg.
A Turkish unit of weight varying by location, time, and item from 2–8 okas (about 2.5–10 kg).
(mountaineering) To climb up or down a rope free hand (i.e. as Batman does).