Answer:

slingshot

Answer	Crossword Clue
SLINGSHOT	In a hostile situation, one might be held back
SLINGSHOT	Stone propeller
SLINGSHOT	Catapult

SLINGSHOT	Passing maneuver, in auto racing
SLINGSHOT	Weapon in the David and Goliath story
SLINGSHOT	Missile launcher
SLINGSHOT	Pebble propeller
SLINGSHOT	Catapult.
SLINGSHOT	Small boy's weapon.
SLINGSHOT	Goliath's undoing.
SLINGSHOT	Type of weapon.

SLINGSHOT	Goliath's nemesis.
SLINGSHOT	Weapon of a sort.
SLINGSHOT	Primitive weapon
SLINGSHOT	Y-shaped weapon
SLINGSHOT	Goliath's undoing
SLINGSHOT	David's weapon
SLINGSHOT	Goliath slayer
SLINGSHOT	Biblical weapon

SLINGSHOT	Goliath's least-favorite weapon
SLINGSHOT	Goliath killer
SLINGSHOT	What some of the black squares in the grid might represent