Rumination

Webster's Dictionary of the English Language

·noun The act or process of ruminating, or chewing the cud; the habit of chewing the cud.

II. Rumination ·noun The state of being disposed to ruminate or ponder; deliberate meditation or reflection.

III. Rumination ·noun The regurgitation of food from the stomach after it has been swallowed, — occasionally observed as a morbid phenomenon in man.