Definition of "Emerald"

The child, a girl, was albino like April, and had exactly April's deep red eyes. Sol and Libra named her Emerald, a green name and a ground-term rather than a sky-term, as if in open expression of the slow spell worked on them all by Viridis.

1954 Theodore Sturgeon, The Golden Helix, in Leo Marguelis:Three Times Infinity, Fawcett Publications 1958, page 109

Mrs. Emerald Walsh was helping out at the presbytery.

1978, Mary Manning, The last chronicles of Ballyfungus, page 48