cha ‧ me ‧ le ‧ on /kəˈmiːliən/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: camelion , from Latin chamaeleon , from Greek , from chamai 'on the ground' + leon 'lion' ]
1 . a ↑ lizard that can change its colour to match the colours around it
2 . someone who changes their ideas, behaviour etc to fit different situations