Answer:

fingernail

Answer	Crossword Clue
FINGERNAIL	Emery-board target
FINGERNAIL	Clipper's target
FINGERNAIL	Manicurist's target

FINGERNAIL	Quick cover
FINGERNAIL	Kind of polish.
FINGERNAIL	What an onychophagist bites
FINGERNAIL	Item bitten by an onychophagist
FINGERNAIL	It may need polishing
FINGERNAIL	Keratoid growth
FINGERNAIL	Itch reliever, sometimes