Yack - definition of yack by The Free Dictionary
https://www.thefreedictionary.com/yack
yack ( jæk) n, vb a variant spelling of yak 2 Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 yak 1 (yæk) n. 1. a large, shaggy-haired wild ox, Bos grunniens, of the Tibetan highlands, having long, curved horns.
DA: 80 PA: 76 MOZ Rank: 25