A chameleon is a kind of lizard whose skin changes colour to match the colour of its surroundings.
chameleon in British English
(kəˈmiːlɪən)
noun
1.
any lizard of the family Chamaeleontidae of Africa and Madagascar, having long slender legs, a prehensile tail and tongue, and the ability to change colour
2.
a changeable or fickle person
Derived forms
chameleonic (kəˌmiːlɪˈɒnɪk)
adjective
chameleon-like (chaˈmeleon-ˌlike)
adjective
Word origin
C14: from Latin chamaeleon, from Greek khamaileōn, from khamai on the ground + leōnlion
chameleon in American English
(kəˈmiliən; kəˈmiljən)
noun
1.
any of various Old World lizards (family Chamaeleontidae) with an angular head, prehensile tail, eyes that move independently of each other, the ability to change skin color rapidly, and a long, agile tongue for catching prey
2.
any of various superficially similar lizards that can change the color of their skin,as the American chameleon
3.
a changeable or fickle person
Derived forms
chameleonic (chaˌmeleˈonic) (kəˌmiliˈɑnɪk)
adjective
Word origin
ME camelioun < L chamaeleon < Gr chamaileōn < chamai, on the ground (akin to chthōn, earth: see homage) + leōn, UNRESOLVED CROSS REF