noun Arthurian Romance.

the magic sword of King Arthur.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for excalibur

Contemporary Examples of excalibur

Historical Examples of excalibur

  • It's King Arthur himself, with Excalibur, his famous sword, in his hand.

    Welsh Fairy Tales

    William Elliott Griffis

  • The loot might run as high as a half-billion Excalibur stellars.

    Space Viking

    Henry Beam Piper

  • Excalibur's intellect may have been lofty, but his memory was treacherous.


    Ian Hay

  • It was a very large shoulder of mutton, but Excalibur finished it in ten minutes.


    Ian Hay

  • After that Excalibur realized that it is wiser to walk behind golfers than in front of them.


    Ian Hay

British Dictionary definitions for excalibur



(in Arthurian legend) the magic sword of King Arthur

Word Origin for Excalibur

C14: from Old French Escalibor, from Medieval Latin Caliburnus, from Welsh Caledvwlch, perhaps related to Irish Caladbolg a legendary sword (literally: hard belly, hence, voracious)
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 excalibur



King Arthur's sword, c.1300, from Old French Escalibor, corruption of Caliburn, in Geoffrey of Monmouth (c.1140) Caliburnus, apparently from Welsh Caledvwlch probably a variant of the legendary Irish sword name Caladbolg which may be literally "hard-belly," i.e. "voracious." For first element, see callus; for second, see belly (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

excalibur in Culture



The sword of King Arthur (see also Arthur). In one version of the legends of Arthur, he proved his right to rule by pulling Excalibur out of a stone. In another version, he received Excalibur from a maiden, the Lady of the Lake, to whom he returned it at the end of his life.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.