The Collaborative International Dictionary of English v.0.48:

Sircar \Sir*car"\, n. [Hind. & Per. sark[=a]r a superintendant,
   overseer, chief; Per. sar the head + k[=a]r action, work.]
   1. A Hindoo clerk or accountant. [India]
      [1913 Webster]

   2. A district or province; a circar. [India]
      [1913 Webster]

   3. The government; the supreme authority of the state.
      [India]
      [1913 Webster]