Hypertext Webster Gateway: "gecko"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Gecko \Geck"o\ (g[e^]k"[-o]), n.; pl. {Geckoes} (-[=o]z). [Cf.
F. & G. gecko; -- so called from the sound which the animal
utters.] (Zo["o]l.)
Any lizard of the family {Geckonid[ae]}. 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 {Wall gecko}, {Fanfoot}.
From WordNet (r) 1.7 (wn)
gecko
n : any of various small chiefly tropical and usually nocturnal
insectivorous terrestrial lizards typically with
immovable eyelids; completely harmless
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