(noun) A wild,shaggy-hairedox (Bos grunniens) of the mountains of centralAsia.
(noun) A domesticatedyak,usedas a workanimal or raised for meat and milk.
(verb-intransitive) To talk persistently and meaninglessly; chatter.
Use "yak" in a sentence
"I need my mental space and you deserve someone better yak yak yak "
"They have horses and ponies, but the yak is the beast of burden, and he supplies them with his long shaggy coat with plenty of wool (which they export and from which they make their clothes), and also supplies them with milk."
"A new wrinkle in the proliferation of sports talk radio: sports yak from a Christian perspective."