n. 反刍, 沉思, 默想

[医] 反刍, 反嚼, 沉思

Rumination \Ru`mi*na"tion\, n. [L. ruminatio: cf. F.
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. (Physiol.) The regurgitation of food from the stomach
after it has been swallowed, -- occasionally observed as a
morbid phenomenon in man.