Fair″y, a. 1. Of or pertaining to fairies.
2. Given by fairies; as, fairy money. Dryden.
Fairy bird(Zoöl.), the Euoropean little tern (Sterna minuta); — called also sea swallow, and hooded tern. — Fairy bluebird. (Zoöl.) See under Bluebird. — Fairy martin(Zoöl.), a European swallow (Hirrundo ariel) that builds flask-shaped nests of mud on overhanging cliffs. — Fairyrings or circles, the circles formed in grassy lawns by certain fungi (as Marasmius Oreades), formerly supposed to be caused by fairies in their midnight dances. — Fairy shrimp(Zoöl.), a European fresh-water phyllopod crustacean (Chirocephalus diaphanus); — so called from its delicate colors, transparency, and graceful motions. The name is sometimes applied to similar American species. — Fairy stone(Paleon.), an echinite.