mountain laurel

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An evergreen shrub (Kalmia latifolia) of eastern North America, having leathery poisonous leaves and clusters of pink or white flowers. Also called calico bush.

Century Dictionary and Cyclopedia

1. n. Kalmia latifolia. See cut under Kalmia.
2. n. Umbellularia Californica.
3. n. A plant of the genus Ocotea (Oreodaphne).

Wiktionary

1. n. A bush, Kalmia latifolia in the family Ericaceae, native to the Eastern United States. It is a flowering evergreen, all parts of which are toxic. It is the state tree of Connecticut and Pennsylvania.

GNU Webster's 1913

1. adj. (Bot.) an American shrub (Kalmia latifolia) with glossy evergreen leaves and showy clusters of rose-colored or white flowers. The foliage is poisonous. Called also American laurel, ivy bush, and calico bush. See Kalmia.

WordNet 3.0

1. n. Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood
2. n. a North American evergreen shrub having glossy leaves and white or rose-colored flowers