Definition of groover:
(n) :
(colloquial) One who grooves, or enjoys rhythmic music.
(n) :
(colloquial) A groovy piece of music.
(n) :
A device that makes grooves in surfaces.
(n) :
(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.
(n) :
(UK, dialect, Derbyshire, archaic) A miner.
(n) :
A surname.