Is “Keyhole” a Scrabble word?

1.The hole in a lock where the key is inserted and turns.

2.Any small opening resembling the hole for a key in shape or function.

3.A circle cut out of a garment as a decorative effect, typically at the front or back neckline of a dress.

1.(ordnance) To strike a target after wobbling in flight so that the long axis of the bullet does not follow the line of flight; typically due to insufficient spin resulting from the rifling in the barrel.