from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. In Arthurian legend, the sword belonging to King Arthur.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A legendary sword of King Arthur, attributed with magical properties.

from the GNU version of the Collaborative International Dictionary of English

  • n. The name of King Arthur's mythical sword.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the legendary sword of King Arthur


Middle English, alteration (perhaps influenced by Latin chalybs, steel) of Medieval Latin Caliburnus, from Middle Welsh Caletuwlch or Middle Irish Caladbolg, a legendary sword.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English Excalaber, from Old French Escalibor, Escaliborc, prothetic form of Calliborc, alteration of Calibourne, from Medieval Latin Caliburnus (Geoffrey of Monmouth, ca. 1136), influenced by calibs ‘steel’ (for chalybs), alteration of Old Welsh *Caledbulch (cf. modern Caledfwlch), compound of caled ‘hard’ and bwlch ‘cleft, crack’. Related to the Irish legendary sword Caladbolg, literally ‘hard-belly’, i.e. ‘voracious’. (Wiktionary)



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