| BLU | North American wild goose having dark plumage in summer but white in winter |
|---|---|
| BLU | of western North America |
| BLU | any of various grasses of the genus Poa |
| BLU | tall fast-growing timber tree with leaves containing a medicinal oil |
| BLU | small salmon of north Pacific coasts and the Great Lakes |
| BLU | climber of southern United States having bluish-purple flowers |
| BLU | common jay of eastern North America |
| BLU | close-fitting pants of heavy denim for casual wear (usually in the plural) |
| BLU | climber of southern United States having bluish-purple flowers |
| BLU | atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward |
| BLU | an indelicate joke |
| BLU | a statute regulating work on Sundays |