English Explanatory Dictionary

propwash deflection unit

English dictionary entry

Meanings

noun
  1. A device placed over or behind the propeller of a boat to deflect its prop wash downward as a very effective form of agitation dredging, primarily used by salvors to remove mud or sand from shallow-water shipwrecks.

Word forms

propwash deflection unit propwash deflection units

Synonyms

deflector PDU
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