mountain laurel

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An evergreen shrub (Kalmia latifolia) in the heath family, native to eastern North America, having glossy leaves and clusters of pink or white flowers.

from The Century Dictionary.

• noun Kalmia latifolia. See cut under Kalmia.
• noun Umbellularia Californica.
• noun A plant of the genus Ocotea (Oreodaphne).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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