A town in Queensland, Australia.

The Rural Municipality of Emerald No. 277, a rural municipality in eastern Saskatchewan, Canada.

Any of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone.

Emerald green, a colour.

(heraldry) Vert, when blazoning by precious stones.

Any hummingbird in the genera Chlorostilbon and Elvira; and some in the genus Amazilia

(entomology) Any of various species of dragonfly of the family Corduliidae.

(transitive, poetic) To ornament with, or as if with, emeralds; to make green.

Of a rich green colour.