groover

noun5

1. •
   A device that makes grooves in surfaces.
2. •
   (informal) One who grooves, or enjoys rhythmic music.
3. •
   (informal) A groovy piece of music.

   • However, the title track is a total groover about the mass media's pimping of punk rock. — 1998
4. •
   (US, slang) A small portable toilet often used on multiday river trips in protected wilderness areas, so named because the original versions were metal boxes whose rims left a groove in the skin of the user.
5. •
   (dialect, no longer used) A miner.

   • It [ore] is generally cloathed with a substance which the groovers call Crootes, and is a soft, mealy, white stone — 1772