IPA: /ɡræˈmiːniəs/
KK: /græˈmiːniəs/
Relating to or characteristic of the grass family of plants.
The gramineous plants in the field provide excellent grazing for livestock.
Gramineous → It is formed from "gramen" (from Latin, meaning grass) and the suffix "-eous" (meaning having the nature of). The word "gramineous" refers to something that has the nature of grass or is grassy.
Think of 'gramen' which means grass, and remember that 'gramineous' describes something that is grassy in nature.