The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various Eurasian and North American woodland perennial herbs of the genera Moneses and Pyrola, especially P. elliptica, having a basal cluster of elliptic to oblong leaves and white to pink flowers.
The Century Dictionary and Cyclopedia
n. A plant of the genus Pyrola, properly P. elliptica: said to be so named from the use of its leaves for shinplasters.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. North American evergreen with small pinkish bell-shaped flowers and oblong leaves used formerly for shinplasters
Word Usage
"Pines raise statelier shafts and give themselves room to grow, -- gentians, shinleaf, and little grass of Parnassus in their golden checkered shadows; the meadow is white with violets and all outdoors keeps the clock."