noun Civil Engineering.
a pit from which construction material, as sand or gravel, is taken for use as fill at another location.
Origin of borrow pit
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
civil engineering an excavation dug to provide fill to make up ground elsewhere
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