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[ahy-duh-hoh] /ˈaɪ dəˌhoʊ/
a state in the NW United States. 83,557 sq. mi. (216,415 sq. km).
Capital: Boise.
Abbreviation: ID (for use with zip code), Id., Ida.
a variety of russet Burbank grown in Idaho.
Related forms
[ahy-duh-hoh-uh n, ahy-duh-hoh-] /ˈaɪ dəˌhoʊ ən, ˌaɪ dəˈhoʊ-/ (Show IPA),
adjective, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for Idaho
Contemporary Examples
Historical Examples
  • Eight o'clock of the following morning found the Idaho crowd on its way down Lake Linderman.

    To Alaska for Gold Edward Stratemeyer
  • Certainly there was room enough, plenty of room, that was much nearer than Idaho.

    The Story of Wool Sara Ware Bassett
  • From southern Wyoming to Idaho was too far, he reasoned, to make it worth while stating his exact place of residence.

    Cow-Country B. M. Bower
  • "If you are tired you should try the ranges of Idaho," Mr. Clark said.

    The Story of Wool Sara Ware Bassett
  • I wished to ask him not to use his political influence in Idaho against Senator Fred.

    Under the Prophet in Utah Frank J. Cannon and Harvey J. O'Higgins
British Dictionary definitions for Idaho


a state of the northwestern US: consists chiefly of ranges of the Rocky Mountains, with the Snake River basin in the south; important for agriculture (Idaho potatoes), livestock, and silver-mining. Capital: Boise. Pop: 1 366 332 (2003 est). Area: 216 413 sq km (83 557 sq miles) Abbreviation Id., Ida., (with zip code) ID
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
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Word Origin and History for Idaho

c.1860, as a place name, originally applied to part of what is now eastern Colorado (Idaho Territory organized 1863; admitted as a state 1890); from Kiowa-Apache (Athabaskan) idaahe "enemy," a name applied by them to the Comanches.

Online Etymology Dictionary, © 2010 Douglas Harper
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Idaho in Culture

Idaho definition

State in the Rocky Mountains bordered by British Columbia, Canada, to the north; Montana and Wyoming to the east; Utah and Nevada to the south; and Oregon and Washington to the west. Its capital and largest city is Boise.

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