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airboat

[air-boht]
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noun
  1. Also called swamp boat. a small open boat having a very shallow draft and driven by a caged airplane propeller mounted above the rear transom, capable of traveling at relatively high speeds through shallow water, swamps, etc.
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verb (used without object)
  1. to go or travel in an airboat.
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Origin of airboat

1865–70, for an earlier sense; air(craft) + boat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for swamp boat

swamp boat

noun
  1. a shallow-draught boat powered by an æroplane engine mounted on a raised structure for use in swampsAlso called: airboat
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airboat

noun
  1. another name for swamp boat
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012