plonge

from The Collaborative International Dictionary of English v.0.48
Plonge \Plonge\, v. t. [See {Plunge}.]
   To cleanse, as open drains which are entered by the tide, by
   stirring up the sediment when the tide ebbs.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Plong'ee \Plon`g['e]e"\, n. [F. See {Plunge}.] (Mil.)
   A slope or sloping toward the front; as, the plong['e]e of a
   parapet; the plong['e]e of a shell in its course. [Sometimes
   written {plonge}.]
   [1913 Webster]
    

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