'Rosebay' definitions:
Definition of 'rosebay'
From: WordNet
noun
Late-spring-blooming rhododendron of eastern North America having rosy to pink-purple flowers [syn: rosebay, Rhododendron maxima]
Definition of 'Rosebay'
From: GCIDE
- Rosebay \Rose"bay`\, n. (Bot.) (a) the oleander. [Obs.] (b) Any shrub of the genus Rhododendron. [U.S.] (c) An herb (Epilobium spicatum) with showy purple flowers, common in Europe and North America; -- called also great willow herb. [1913 Webster]