/ Dictionary / Index L launcher: Meaning and Definition of Find definitions for: launch•er Pronunciation: (lôn'chur, län'-), [key] — n. a person or thing that launches. a structural device designed to support and hold a missile in position for firing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: launcher (Thesaurus) launch control center launch pad Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language