/ Dictionary / Index L lander: Meaning and Definition of Find definitions for: land•er Pronunciation: (lan'dur), [key] — n. a space probe designed to land on a planet or other solid celestial body. Cf. orbiter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lander (Thesaurus) landed Landes Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language