Definition of "emerald" in English

noun

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

2. Emerald green, a colour.

3. (heraldry) Vert, when blazoning by precious stones.

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

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

6. (dated, printing, UK) A size of type between nonpareil and minion, standardized as 6½-point.

adjective

1. Of a rich green colour.

verb

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