OSHA (ō'shə)
n.
Occupational Safety and Health Administration, a branch of the U.S. department of Labor responsible for establishing and enforcing safety and health standards in the workplace.
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| OSHA Occupational Safety and Health Administration |