underframe

Thesaurus

Noun

1.

underframe - the internal supporting structure that gives an artifact its shape; "the building has a steel skeleton"skeletal frame, skeleton, frameaircraft - a vehicle that can flybuilding, 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 motorhoop - a light curved skeleton to spread out a skirtship - a vessel that carries passengers or freightsupporting structure - a structure that serves to support something