gravity dam

Meaning

Noun

• An impoundment dam that is wider at the base than at the top, and which uses the massive weight of the dam's mass to withstand the force of water being being stored behind the dam in its reservoir.

Related

Broader meaning words

• impoundment dam
• reservoir dam
• dam

Origin

• gravity + dam
• From using the weight of the dam to withstand the force of water being impounded