frame, framing, framework - a structure supporting or containing something

skeletal frame, underframe, skeleton, frame - the internal supporting structure that gives an artifact its shape; "the building has a steel skeleton"

structure, construction - a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"

support - supporting structure that holds up or provides a foundation; "the statue stood on a marble support"