blue sage n 1: sage of western North America to Central America having violet-blue flowers; widespread in cultivation [syn: {blue sage}, {Salvia reflexa}, {Salvia lancifolia}] 2: Texas sage having intensely blue flowers [syn: {blue sage}, {mealy sage}, {Salvia farinacea}] 3: blue-flowered sage of dry prairies of the eastern United States [syn: {blue sage}, {Salvia azurea}] 4: aromatic shrub of arid regions of western North America having hoary leaves [syn: {big sagebrush}, {blue sage}, {Seriphidium tridentatum}, {Artemisia tridentata}]