All 3 Uses

ruminate
in
Moby Dick
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At one end a ruminating tar was still further adorning it with his jack-knife, stooping over and diligently working away at the space between his legs.†
Chpt 1-3 *
Unconsciously clapping the vinegar-cruet to one side of her nose, she ruminated for an instant; then exclaimed—"No!†
Chpt 16-18
Much might be ruminated here, concerning the essential dignity of this regal process, because in common life we esteem but meanly and contemptibly a fellow who anoints his hair, and palpably smells of that anointing.†
Chpt 25-27

Definitions:

(1) (ruminate)
to think about something -- especially in a sustained manner; or to think again and again about something in an unhelpful manner
(2) (meaning too rare to warrant focus)
a digestion technique used by some kinds of animals such as cows in which they regurgitate food from the stomach and chew it again