1. To throw, as a lance or dart; to hurl; to let fly.
2. To strike with, or as with, a lance; to pierce. [Obs.]
"Launch your hearts with lamentable wounds." -- Spenser.
3. To cause to move or slide from the land into the water; to set afloat; as, to launch a ship.
"With stays and cordage last he rigged the ship, And rolled on levers, launched her in the deep." -- Pope.
4. To send out; to start (one) on a career; to set going; to give a start to (something); to put in operation; as, to launch a son in the world; to launch a business project or enterprise.
"All art is used to sink episcopacy, and launch presbytery in England." -- Eikon Basilike.