basin
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The Cirque is the name given to the bowl shaped depression were the valley glaciers usually begins. A glacier basically refers to a terminus that usually ends in a body of water.
Cirques
A Cirque
Cirques
cirques I believe
plat form
Basin that is the answer
It is a valley
Basin that is the answer
Pelvis.
Great Basin
It Is a crater
The opening may have a crater, more technically called a "caldera."
No the dust bowl was not shaped like a bowl
The pelvis is the bowl-shaped structure that supports the spine.
A caldron is an alternative name for a cauldron, a large bowl-shaped pot used for boiling over an open flame.
A bowl-shaped area that forms around a volcano's central vent is called a crater.