Webster's 1913 Dictionary
CLUMBER
Clum "ber, n. Etym: [Named from the estate of the Duke of Newcastle. ](Zoöl.)
Defn: A kind of field spaniel, with short legs and stout body, which, unlike other spaniels, hunts silently.
New American Oxford Dictionary
Clumber spaniel
Clum ber span iel |ˈkləmbər ˌkləmbər ˈspænjəl | ▶noun a spaniel of a slow, heavily built breed. ORIGIN mid 19th cent.: from the name of Clumber Park, an estate in Nottinghamshire, England.
Oxford Dictionary
Clumber spaniel
Clumber spaniel |ˈklʌmbə | ▶noun a spaniel of a slow, heavily built breed. ORIGIN mid 19th cent.: from the name of Clumber Park, Nottinghamshire.
Duden Dictionary
Clumberspaniel
Clum ber spa ni el Substantiv, maskulin , der |ˈklʌmbə …|der Clumberspaniel; Genitiv: des Clumberspaniels, Plural: die Clumberspaniels nach dem englischen Landsitz Clumber englische Jagdhundrasse
The Wordsmith Dictionary