Sirdar \Sir*dar"\, n. [Hind. & Per. sard[=a]r a chief, general;
sar the head, top + d[=a]r holding, possessing.]
A native chief in Hindostan; a headman. --Malcom.
[1913 Webster]
2. In Turkey, Egypt, etc., a commander in chief, esp. the one
commanding the Anglo-Egyptian army.
[Webster 1913 Suppl.]