mother lode

or moth·er·lode

[ muhth-er-lohd ]
See synonyms for mother lode on
  1. Mining. a rich or important lode.

  2. a major or profitable source or supply: New York City is a mother lode of actors.

Origin of mother lode

First recorded in 1855–60

Words Nearby mother lode Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use mother lode in a sentence

  • Where so much dust and nuggets come from along a crick bed, we knowed there must be a regular mother lode somewheres here.

    Ruth Fielding In the Saddle | Alice B. Emerson
  • He starts from the placer fields to search for the mother lode.

    The Mystic Mid-Region | Arthur J. Burdick

British Dictionary definitions for mother lode

mother lode

  1. 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