| BU | low mat-forming grass of southern United States and tropical America |
|---|---|
| BU | a member of one of the tribes of American Indians who lived a nomadic life following the buffalo in the Great Plains of North America |
| BU | shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes |
| BU | oily drupaceous fruit of rabbitwood |
| BU | crisp spicy chicken wings |
| BU | any of several large suckers of the Mississippi valley |
| BU | large carp-like North American fish |
| BU | erect tussock-forming perennial bur grass used in especially in South Africa and Australia for pasture and forage |
| BU | an implement consisting of soft material mounted on a block |
| BU | a cushion-like device that reduces shock due to contact |
| BU | a power tool used to buff surfaces |
| BU | (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device |