GRAMIN'EAL GRAMIN'EOUS, adjective [Latin gramineus, from gramen, grass.] Grassy; like or pertaining to grass. Gramineous plants are those which have simple leaves, a jointed stem, a husky calyx, termed glume, and a single seed. This description however includes several sorts of corn, as well as grass.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI