Batman

noun

1. A British military officer's orderly.
2. A person allowed by the government to every company of a regiment on foreign service.
3. A Turkish weight varying in amount in different localities.
4. A man who has charge of a bathorse and his load.
5. A weight used in the East, varying according to the locality; in Turkey, the greater batman is about 157 pounds, the lesser only a fourth of this; at Aleppo and Smyrna, the batman is 17 pounds.