- The movement of a vessel from land into the water; especially, the sliding on ways from the stocks on which it is built. (Compare: to splash a ship.)
- (nautical) An open boat of any size powered by steam, naphtha, electricity, or the like. (Compare Spanish lancha.)
- The act of launching.
- (nautical) A boat used to convey guests to and from a yaucht.
- (nautical) The boat of the largest size and/or of most importance belonging to a ship of war, and often called the "captain's boat" or "captain's launch".
- (transitive) To throw, as a lance or dart; to hurl; to let fly; to send off, propel with force.
- (transitive) To send out; to start (one) on a career; to set going; to give a start to (something); to put in operation.
"Our business launched a new project."
- (transitive) To cause to move or slide from the land into the water; to set afloat.
"The navy launched another ship."
- (transitive, obsolete) To pierce with, or as with, a lance.
- (intransitive, often with out) To move with force and swiftness like a sliding from the stocks into the water; to plunge; to make a beginning.
"to launch into an argument or discussion;"