overbreak

[ oh-ver-breyk ]
/ ˈoʊ vərˌbreɪk /

noun Civil Engineering.

earth or rock excavated outside of neat lines.
Sometimes o·ver·break·age [oh-ver-brey-kij] /ˈoʊ vərˌbreɪ kɪdʒ/.

Origin of overbreak

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019