Definition that contains thrum
- thrum a thrumming sound
- pyrethrum white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- pyrethrum made of dried flower heads of pyrethrum plants
- dalmatia pyrethrum white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- dalmatian pyrethrum white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- tanacetum cinerariifolium white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- loosestrife any of numerous herbs and subshrubs of the genus Lythrum
- chrysanthemum cinerariifolium white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum