/ Dictionary / Index G gecko: Meaning and Definition of Find definitions for: geck•o Pronunciation: (gek'ō), [key] — pl. geck•os, geck•oes. any of numerous small, mostly nocturnal tropical lizards of the family Gekkonidae, usually having toe pads that can cling to smooth surfaces: the largest species, Gekko gecko, is sometimes kept as a pet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gecko (Thesaurus) Geber ged Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language