| either of two grasses, Axonopus affinis or A. compressus, native to tropical and subtropical America. |
| carpet grass or car·pet·grass (kär'pĭt-grās') n. Any of several coarse, sod-forming grasses of the chiefly New World genus Axonopus, especially A. affinis, cultivated for turf and pasture in warm humid regions. |