Bluegrass
Bluegrass has three principal meanings, the second two both deriving from the first listed.
- Bluegrass is a genus of grasses, ''Poa''.
- Bluegrass music is a form of American roots music.
- The Bluegrass region is an area of Kentucky and Ohio states, USA.
- The Bluegrass was a named passenger train operated by the Monon Railroad between Chicago, Illinois and Louisville.