1. any upright, rigid supporting frame in the form of a triangle or an inverted V, as V.
  2. a building constructed principally of such a frame, with a steep gabled roof resting directly on a foundation.

Origin of A-frame

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for a-frame

Contemporary Examples of a-frame

  • The one she picked out was a beauty, a big one, an A-frame with picture windows for the New West view.

    The Daily Beast logo
    The Ballad of Johnny France

    Richard Ben Cramer

    January 12, 2014

Historical Examples of a-frame

British Dictionary definitions for a-frame


  1. (of a house) constructed with an A-shaped elevation
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

Word Origin and History for a-frame


type of framework shaped like the letter A, 1909; in building construction, attested from 1932.

Online Etymology Dictionary, © 2010 Douglas Harper