Definitions:
a bright green precious stone consisting of a chromium-rich variety of beryl

a bright green colour

a slender-bodied green moth, the colour of which tends to fade as the moth ages.

a hawker dragonfly with a metallic green body.

a small hummingbird with bright metallic green plumage and darker wings and tail, found mainly in the area of the caribbean and central america.

bright green in colour