Definition of headshake in US English:

headshake

noun

  • 1An act or instance of shaking the head, especially as used to express disapproval, a negative response to a question, etc. Compare to shake one's head.

  • 2A ritualized or instinctive act of shaking the head on the part of an animal, especially as part of the mutual courtship or greeting display of a pair of birds.

Origin

Early 17th century; earliest use found in William Shakespeare (1564–1616), playwright and poet. From head + shake.

Pronunciation

headshake

/ˈhɛdʃeɪk/