rumenn. 瘤胃瘤胃(反芻動物的第一胃)學術名詞瘤胃：動物學、生命科學、畜牧學、比較解剖學、獸醫學、生態學英文釋義the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing