under-sheriff

from The Collaborative International Dictionary of English v.0.48
Undersheriff \Un"der*sher`iff\, n.
   A sheriff's deputy.
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
UNDER-SHERIFF. A deputy of a sheriff. The principal is called high-sheriff, 
and the deputy the under-sheriff. Vide 1 Phil. Ev. Index, h.t. 
    

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