underframe(redirected from underframes)
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|Noun||1.||underframe - the internal supporting structure that gives an artifact its shape; "the building has a steel skeleton"|
aircraft - a vehicle that can fly
building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
chassis - the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor
hoop - a light curved skeleton to spread out a skirt
ship - a vessel that carries passengers or freight
supporting structure - a structure that serves to support something