1.A perennial herb (Monarda fistulosa) of North America.
2.A perennial aromatic herb of eastern North America (Monarda didyma) having variously colored tubular flowers in dense showy heads.
3.A bushy perennial Old World mint, Melissa officinalis, having small white or yellowish flowers and fragrant lemon-flavored leaves; a garden escapee in northern Europe and North America.
