- any rigid structural member projecting from a vertical support, especially one in which the projection is great in relation to the depth, so that the upper part is in tension and the lower part in compression.
- any rigid construction extending horizontally well beyond its vertical support, used as a structural element of a bridge (cantilever bridge ), building foundation, etc.
- a form of wing construction in which no external bracing is used.
- a bracket for supporting a balcony, cornice, etc.
- to project in the manner of a cantilever.
- to construct in the manner of a cantilever.
- a beam, girder, or structural framework that is fixed at one end and is free at the other
- (as modifier)
- a wing or tailplane of an aircraft that has no external bracing or support
- a part of a beam or a structure projecting outwards beyond its support
- to construct (a building member, beam, etc) so that it is fixed at one end only
- to project like a cantilever
