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Jack Russell

British  

noun

  1. Also called: Jack Russell terrier.  a small short-legged terrier having a white coat with tan, black, or lemon markings: there are rough- and smooth-haired varieties

"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

Etymology

Origin of Jack Russell

named after John Russell (1795–1883), English clergyman who developed the breed