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limberneck

American  
[lim-ber-nek] / ˈlɪm bərˌnɛk /

noun

Veterinary Pathology.
  1. a fatal infection of botulism affecting birds, especially chickens and ducks, characterized by weakness of the neck muscles and inability to eat.


Etymology

Origin of limberneck

First recorded in 1905–10; limber 1 + neck