Dictionary.com
definitions

wooden tongue

noun Veterinary Pathology.
  1. actinobacillosis.

Origin of wooden tongue

An Americanism dating back to 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for wooden tongue

wooden tongue

woody tongue

noun
  1. vet science the nontechnical name for actinobacillosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012