[ muhth-er-lohd ]
/ ˈmʌð ərˌloʊd /
Mining. a rich or important lode.
a major or profitable source or supply: New York City is a mother lode of actors.
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Origin of mother lode
First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mother lode
Everybody in the cavern smiled, and I daresay if the truth were known we had discovered the mother-lode of comedy.Caves of Terror|Talbot Mundy
His hopes of reaching the mother-lode of this mine vanished.
The day following his locating of the mother-lode, Pant worked feverishly.
British Dictionary definitions for mother lode
mining the principal lode in a system
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