plural yaks also yak
: a large wild animal that has long hair and curved horns and that lives in central Asia
yaks; yakked; yakking
informal
: to talk in a loud way often for a long time
Half the people on the train were yakking [=yammering] (away) on their cell phones.
Cite this Entry
“Yak.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/yak. Accessed 14 Apr. 2026.
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