Definition of assault boat
: a small portable boat used in an amphibious military attack or in land warfare for crossing rivers or lakes
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“Assault boat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assault%20boat. Accessed 21 Oct. 2021.
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Time Traveler for assault boat
The first known use of assault boat was in 1938
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