Definitions
1.nounAny of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone.
2.nounEmerald green, a colour.
3.nounAny hummingbird in the genera Chlorostilbon and Elvira; and some in the genus Amazilia
4.nounA size of type between nonpareil and minion, standardized as 6½-point.