Webster 1913 Edition
Projecting or impelling forward;
Caused or imparted by impulse or projection; impelled forward;
A body projected, or impelled forward, by force; especially, a missile adapted to be shot from a firearm.
A part of mechanics which treats of the motion, range, time of flight, etc., of bodies thrown or driven through the air by an impelling force.
Webster 1828 Edition
1.Given by impulse; impelled forward; as projectile motion.
1.Projectiles, in mechanical philosophy, is that part which treats of the motion of bodies thrown or driven by an impelling force from the surface of the earth, and affected by gravity and the resistance of the air.