adj. of, relating to, or situated inside the rumen
the GNU version of the Collaborative International Dictionary of English
adj. Ruminant; ruminating.
The Century Dictionary and Cyclopedia
Same as ruminant. [Rare.] Imp. Dict.
Word Usage
"Ruminal fermentation of lichens has an important effect on ruminal absorption of energy rich volatile fatty acids in winter [24] and reindeer that eat lichens are better able to extract nitrogen from dietary vascular plants in winter [25]."