pricker

plural prickers

1. One who pricks.
2. A tool for pricking.

   The pricker was used to level the fire half-way up the bank and that was that.

   1961 February, ""Balmore"", “Driving and firing modern French steam locomotives - Part One”, in Trains Illustrated, page 112

3. A prickle or thorn.
4. Any of several American prickly woody vines of the genus Smilax; greenbrier.
5. One who spurs forward; a light-horseman.

   The prickers, who rode foremost, […] halted.

   1814 July 7, [Walter Scott], Waverley; or, ’Tis Sixty Years Since. […], volume (please specify |volume=I to III), Edinburgh: […] James Ballantyne and Co. for Archibald Constable and Co.; London: Longman, Hurst, Rees, Orme, and Brown, →OCLC

6. A priming wire; a priming needle, used in blasting and gunnery.
7. nauticalA small marlinespike used in sailmaking.