amtrac

noun
am·​trac | \ˈam-ˌtrak \
variants: or amtrack

Definition of amtrac 

: a flat-bottomed military vehicle that moves on tracks on land or water

First Known Use of amtrac

1944, in the meaning defined above

History and Etymology for amtrac

amphibious + tractor

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Dictionary Entries near amtrac

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The first known use of amtrac was in 1944

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