a dam resisting the pressure of impounded water through its own weight.
Words nearby gravity dam
Origin of gravity dam
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for gravity dam
a dam whose weight alone is great enough to prevent it from tipping over
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012