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iguana

[ih-gwah-nuh]
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noun
  1. a large, arboreal lizard, Iguana iguana, native to Central and South America, having stout legs and a crest of spines from neck to tail.
  2. any of various related lizards of the genera Iguana, Ctenosaura, Conolophus, and Amblyrhynchus.

Origin of iguana

1545–55; < Spanish < Arawak iwana
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for iguana

iguana

noun
  1. either of two large tropical American arboreal herbivorous lizards of the genus Iguana, esp I. iguana (common iguana), having a greyish-green body with a row of spines along the back: family Iguanidae
  2. Also called: iguanid (ɪˈɡwɑːnɪd) any other lizard of the tropical American family Iguanidae
  3. another name for leguaan
Derived Formsiguanian, noun, adjective

Word Origin

C16: from Spanish, from Arawak iwana
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 iguana

n.

1550s, from Spanish, from Arawakan (W.Indies) iguana, iwana, the local name for the lizard.

Foure footed beastes ... named Iuannas, muche lyke vnto Crocodiles, of eyght foote length, of moste pleasaunte taste. [Richard Eden, "Decades of the New World," 1555]
Online Etymology Dictionary, © 2010 Douglas Harper