Definition of "spurrier"

Gods so; my Spurrier! put 'em on Boy, quickly

1625 (first performance), Ben[jamin] Jonson, The Staple of Newes. […], London: […] I[ohn] B[eale] for Robert Allot […], published 1631, (please specify the page), (please specify the scene number in lowercase Roman numerals)

saddlers and spurriers would be ruined by hundreds.

1849–1861, Thomas Babington Macaulay, chapter 3, in The History of England from the Accession of James the Second, volumes (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans