tremie

noun
trem·​ie | \ ˈtremē\
plural -s

Definition of tremie

: an apparatus for depositing and consolidating concrete under water consisting essentially of a tube of wood or sheet metal with a top in the form of a hopper and being usually handled by a crane

History and Etymology for tremie

French trémie hopper, from Latin trimodia measure or vessel containing three modii, from tri- + modius

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