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Entry 2 senses · 2 variants Webster, 1913

Plonge

· IPA
01 v. t. To cleanse, as open drains which are entered by the tide, by stirring up the sediment when the tide ebbs.
  1. 1.
    To cleanse, as open drains which are entered by the tide, by stirring up the sediment when the tide ebbs.
02 n. A slope or sloping toward the front; as, the plongée of a parapet; the plongée of a shell in its course.
  1. 1.
    A slope or sloping toward the front; as, the plongée of a parapet; the plongée of a shell in its course.(Mil.)