Webster's Revised Unabridged Dictionary · 1913

Rumination

Rumination , noun

[Latin ruminatio: compare French rumination.]

1.
The act or process of ruminating, or chewing the cud; the habit of chewing the cud.
Rumination is given to animals to enable them at once to lay up a great store of food, and afterward to chew it. — Arbuthnot
2.
The state of being disposed to ruminate or ponder; deliberate meditation or reflection.
Retiring full of rumination sad. — Thomson
3.
(Physiology) The regurgitation of food from the stomach after it has been swallowed, -- occasionally observed as a morbid phenomenon in man.