: a large genus (the type of the family Chamaeleontidae) of lizards including most of the Old World chameleons compare rhiptoglossa
2
astronomy: a constellation visible near the south celestial pole that is represented by a figure of a chameleon
A search through observations by the Hubble Space Telescope identified the brown dwarf, which is in the constellation Chamaeleon, about 500 light-years away.—Grand Rapid Press, 11 Dec. 2005
Word History
Etymology
New Latin, from Latin, chameleon
The Ultimate Dictionary Awaits
Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.
Expanded definitions
Detailed etymologies
Advanced search tools
All ad-free
Discover what makes Merriam-Webster Unabridged the essential choice
for true word lovers.
Share