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I·da·ho 1(ī′də-hō′) Abbr. ID or Id.
A state of the northwest United States. It was admitted as the 43rd state in 1890. Explored by the Lewis and Clark expedition in 1805, the region was held jointly by Great Britain and the United States from 1818 to 1846. Idaho became a separate territory in 1863. Boise is the capital and the largest city.
I′da·ho′an adj. & n.
See russet Burbank.
[After Idaho, where it is chiefly grown.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Placename) a native or inhabitant of Idaho
(Placename) of or relating to Idaho or its inhabitants
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014