Boomerang

Etymology
From the Australian Aboriginal language, bumariny.

Noun

 * 1) A flat curved airfoil originally used in various parts of the world as hunting weapons or, in returnable types, for sports or training.

Verb

 * 1) To return to the starting point.
 * 2) To travel in a curved path.

Derived terms

 * boomerang baby
 * boomerang child
 * boomeranger

Thesaurus
Irish confetti, backfire, backlash, backlashing, bola, bolt, bounce, bounce back, bound, bound back, brickbat, cannon, cannon off, carom, comeback, contrecoup, counter, counterblast, counterblow, countermissile, counterstroke, exchange, fly back, give-and-take, have repercussions, interchange, kick, kick back, kickback, lash back, miscarry, missile, projectile, rebound, rebuff, recalcitrate, recalcitration, reciprocation, recoil, repercuss, repercussion, reply, repulse, resile, resilience, retaliation, retort, return, ricochet, rock, rocket, snap back, spring, spring back, stone, throw stick, throwing-stick, torpedo, waddy