Webster's Revised Unabridged Dictionary · 1913

Ruminate

Ruminate , intransitive verb

[Latin ruminatus, past participle of ruminari, ruminare, from rumen, -inis, throat, akin to ructare to belch, erugere to belch out, Greek {not transcribed}, Anglo-Saxon roccettan.]

1.
To chew the cud; to chew again what has been slightly chewed and swallowed.
Cattle free to ruminate. — Wordsworth
2.
To think again and again; to muse; to meditate; to ponder; to reflect. [Figurative:] — Cowper
Apart from the hope of the gospel, who is there that ruminates on the felicity of heaven? — I. Taylor

Ruminate , transitive verb

1.
To chew over again.
2.
To meditate or ponder over; to muse on. [Figurative:]
Mad with desire, she ruminates her sin. — Dryden
What I know Is ruminated, plotted, and set down. — Shakespeare

Ruminate , adjective

(Botany) Having a hard albumen penetrated by irregular channels filled with softer matter, as the nutmeg and the seeds of the North American papaw.

Also: Ruminated