different between grooved vs groover

English

grooved

grooved (comparative more grooved, superlative most grooved)

groove +? -er

groover (plural groovers)

(colloquial) One who grooves, or enjoys rhythmic music.
(Britain, dialect, Derbyshire, dated) A miner.
(Can we find and add a quotation of Holloway to this entry?)
A device that makes grooves in surfaces.
(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.
- Some referred to the toilet as the "groover" in honor of the old days when there had been no toilet seat. Instead people would sit directly on the top of the ammo can, leaving telltale grooves in their skin

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