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bighorn

1 American  
[big-hawrn] / ˈbɪgˌhɔrn /

noun

plural

bighorns,

plural

bighorn
  1. a wild sheep, Ovis canadensis, of the Rocky Mountains, with large, curving horns.


Bighorn 2 American  
[big-hawrn] / ˈbɪgˌhɔrn /

noun

  1. a river flowing from central Wyoming to the Yellowstone River in S Montana. 336 miles (540 km) long.


bighorn British  
/ ˈbɪɡˌhɔːn /

noun

  1. a large wild sheep, Ovis canadensis , inhabiting mountainous regions in North America and NE Asia: family Bovidae , order Artiodactyla . The male has massive curved horns, and the species is well adapted for climbing and leaping

"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

Etymology

Origin of bighorn

An Americanism dating back to 1775–85; big 1 + horn