Answer: slingshot

AnswerCrossword Clue
SLINGSHOTWeapon of a sort.
slingshotThe effect of the gravitational pull of a celestial body in accelerating and changing the course of another body or a spacecraft
slingshotA forked stick, to which an elastic strap (or a pair of elastic bands connected by a small sling) is fastened to the two prongs, typically used for shooting small stones
slingshota stone from a sling
SLINGSHOTWhat some of the black squares in the grid might represent
SLINGSHOTGoliath killer
SLINGSHOTGoliath's least-favorite weapon
SLINGSHOTBiblical weapon
SLINGSHOTGoliath slayer
SLINGSHOTDavid's weapon
SLINGSHOTGoliath's undoing
SLINGSHOTY-shaped weapon
SLINGSHOTPrimitive weapon
SLINGSHOTIn a hostile situation, one might be held back
SLINGSHOTGoliath's nemesis.
SLINGSHOTType of weapon.
SLINGSHOTGoliath's undoing.
SLINGSHOTSmall boy's weapon.
SLINGSHOTCatapult.
SLINGSHOTPebble propeller
SLINGSHOTMissile launcher
SLINGSHOTWeapon in the David and Goliath story
SLINGSHOTPassing maneuver, in auto racing
SLINGSHOTCatapult
SLINGSHOTStone propeller