noun. late-spring-blooming rhododendron of eastern North America having rosy to pink-purple flowers.
1. Verb, base form Don't expect to find edelweiss, mountain pinks, rockcress, rosebay rhododendron or moss campion in Hawaii. 2. Noun, singular or mass With over 250 species, the rosebay is popular in home landscapes because of its prolific blooms that come in a variety of colors.