water bailiff

from The Collaborative International Dictionary of English v.0.48
Water bailiff \Wa"ter bail"iff\
   An officer of the customs, whose duty it is to search
   vessels. [Eng.]
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
WATER BAILIFF, English law. An officer appointed to search ships in ports. 
10 H. vii., 30. 
    

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