Definition of "pyrola" []

• A genus of dicotyledonous plants of the order Ericaceæ, the heath family, type of the tribe Pyroleæ, characterized by racemed flowers with five converging petals, ten stamens with peculiar four-celled inverted anthers opening by pores, and a capsule opening from the base upward, with cobwebby margins. (noun)

The Century Dictionary (Public Domain)