ruminant

US /ˈruː.mə.nənt/
UK /ˈruː.mə.nənt/
"ruminant" picture
1.

an even-toed ungulate mammal that chews the cud, such as a cow, sheep, goat, or deer.

:
Cows are common ruminants found on farms.
Deer are also ruminants, known for their ability to digest tough plant material.
1.

meditative or contemplative

:
He spent the evening in ruminant thought, pondering his future.
Her ruminant gaze suggested a deep inner world.