Quick definitions from WordNet (beebalm)
▸ noun: perennial aromatic herb of eastern North America having variously colored tubular flowers in dense showy heads
▸ noun: perennial herb of North America
▸ noun: bushy perennial Old World mint having small white or yellowish flowers and fragrant lemon-flavored leaves; a garden escapee in northern Europe and North America
▸ noun: perennial aromatic herb of eastern North America having variously colored tubular flowers in dense showy heads
▸ noun: perennial herb of North America
▸ noun: bushy perennial Old World mint having small white or yellowish flowers and fragrant lemon-flavored leaves; a garden escapee in northern Europe and North America