[{"Bold_text": "noun", "List Items": ["any even-toed, hoofed mammal of the suborder Ruminantia, consisting of the cloven-hoofed, cud-chewing quadrupeds, including cattle, sheep, goats, bison, buffalo, deer, antelopes, giraffes, and chevrotains."]}, {"Bold_text": "adjective", "List Items": ["being or relating to animals that ruminate or chew the cud, typically those of the suborder Ruminantia:Methane emissions from ruminant animals represent a quarter of all methane emissions in the region.", "contemplative; meditative:In a corner of the library, a ruminant scholar sat poring over a thick book."]}]