subtreasury

from WordNet (r) 3.0 (2006)

subtreasury
    n 1: a subordinate treasury or place of deposit

from The Collaborative International Dictionary of English v.0.48

Subtreasury \Sub*treas"ur*y\, n.; pl. {Subtreasuries}.
   A subordinate treasury, or place of deposit; as, the United
   States subtreasury at New York. [U. S.]
   [1913 Webster]