Webster’s Revised Unabridged Dictionary · 1913
Pixy
Pix′y, Pix′ie, n.; pl. Pixies (#). [For Pucksy, from Puck.] 1. An old English name for a fairy; an elf. [Written also picksy.]
2. (Bot.) A low creeping evergreen plant (Pyxidanthera barbulata), with mosslike leaves and little white blossoms, found in New Jersey and southward, where it flowers in earliest spring.
Pixy ring, a fairy ring or circle. [Prov. Eng.] — Pixy stool (Bot.), a toadstool or mushroom. [Prov. Eng.]