2 references from 1841 dictionary

Salopia antiqua: or, An enquiry from personal survey into the 'druidical,' military, and other early remains in Shropshire and the north Welsh borders; with observations upon the names of places, and a glossary of words used in the county of Salop (Google eBook) written by the Rev. Charles Henry Hartshorne printed at the University Press, Cambridge. London: John W. Parker, West Strand. 1841.

WHIPPET, s. a dog bred betwixt a greyhound and a spaniel.

NAGG, v. to bite at, snap. Ex. "Jim's whippet nagged at my heels."