noun🔗ShareRumenThe first compartment of the stomach of a cow or other ruminants."The farmer checked the cow's health, paying special attention to whether her rumen was functioning properly, as it's essential for digesting grass. "El granjero revisó la salud de la vaca, prestando especial atención a si su rumen funcionaba correctamente, ya que es esencial para digerir la hierba.anatomyorgananimalbiologyChat with AIVocabulary GamePractice Reading