The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A domesticated bovine mammal (Bos frontalis) of India and Myanmar (Burma), having thick pointed horns, a dark coat, and a tufted tail.
Origin: Bengali gayāl, probably from Sanskrit gauḥ, ox; see gwou- in Indo-European roots.