| BLU | blue Egyptian lotus: held sacred by the Egyptians |
|---|---|
| BLU | blue lotus of India and southeastern Asia |
| BLU | erect forest tree of Cuba and Jamaica having variably hairy leaves and orange-yellow or orange-red flowers |
| BLU | hairy South African or Australian subshrub with blue-rayed daisylike flowers |
| BLU | largest marlin |
| BLU | mockingbird of Mexico |
| BLU | fungus causing a serious disease in tobacco plants characterized by bluish-gray mildew on undersides of leaves |
| BLU | (informal) a long time |
| BLU | goldenrod of eastern America (especially Blue Mountains of Pennsylvania) having aromatic leaves from which a medicinal tea is made |
| BLU | an extravagantly loud outcry |
| BLU | a flattened third or seventh |
| BLU | famous orchid of northern India having large pale to deep lilac-blue flowers |