gecko

noun

1. any of various small chiefly tropical and usually nocturnal insectivorous terrestrial lizards typically with immovable eyelids; completely harmless

   noun.animal

   Source: WordNet 3.0

2. Any lizard of the family <i>Geckonid&aelig;</i>. The geckoes are small, carnivorous, mostly nocturnal animals with large eyes and vertical, elliptical pupils. Their toes are generally expanded, and furnished with adhesive disks, by which they can run over walls and ceilings. They are numerous in warm countries, and a few species are found in Europe and the United States. See <u>Wall gecko</u>, <u>Fanfoot</u>.

   noun

   Source: webster1913