Any of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone.
Emerald green, a colour.
Any hummingbird in the genera Chlorostilbon and Elvira; and some in the genus Amazilia
Any of various species of dragonfly of the family Corduliidae.
Of a rich green colour.
To ornament with, or as if with, emeralds; to make green.
A semi-precious stone, one of the two types of stone commonly referred to as jade (the other being jadeite).