'Swamp laurel' definitions:

Definition of 'swamp laurel'

(from WordNet)
noun
Laurel of bogs of northwestern United States having small purple flowers and pale leaves that are glaucous beneath [syn: swamp laurel, bog laurel, bog kalmia, Kalmia polifolia]
noun
Shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States [syn: sweet bay, swamp bay, swamp laurel, Magnolia virginiana]

Definition of 'Swamp laurel'

From: GCIDE