Jack Russell terrier
any of a breed of small, short-legged terriers having large, erect ears and a short, white coat with brown or black markings.
Also called Jack Russell.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small short-legged terrier having a white coat with tan, black, or lemon markings: there are rough- and smooth-haired varietiesAlso called: Jack Russell terrier
Word Origin for Jack Russell
named after John Russell (1795–1883), English clergyman who developed the breed
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
type of terrier (not recognized as a distinct breed), 1907, named for the Rev. John Russell (1795-1883) of Devonshire, "the sporting parson."
Online Etymology Dictionary, © 2010 Douglas Harper