- 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.
- Building Trades, Civil Engineering. any rigid construction extending horizontally well beyond its vertical support, used as a structural element of a bridge (cantilever bridge), building foundation, etc.
- Aeronautics. a form of wing construction in which no external bracing is used.
- Architecture. a bracket for supporting a balcony, cornice, etc.
- to project in the manner of a cantilever.
- to construct in the manner of a cantilever.
Also can·ta·li·ver [kan-tl-ee-ver] /ˈkæn tlˌi vər/.
Origin of cantilever
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a bridge having spans that are constructed as cantilevers and often a suspended span or spans, each end of which rests on one end of a cantilever span
- a beam, girder, or structural framework that is fixed at one end and is free at the other
- (as modifier)a cantilever wing
- 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
- (tr) to construct (a building member, beam, etc) so that it is fixed at one end only
- (intr) to project like a cantilever
Word Origin for cantilever
C17: perhaps from cant ² + lever
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
- A projecting structure, such as a beam, that is supported at one end and that carries a load at the other end or along its length. Cantilevers are important structures in the design of bridges and cranes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.