Simple Definition of mother lode
: the place where the largest amount of gold, silver, etc., in a particular area can be found
Full Definition of mother lode
1 : the principal vein or lode of a region
2 : a principal source or supply
Examples of mother lode
<the university has long been a mother lode of athletic talent, with many alumni joining the rarefied ranks of the professionals>
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Rhymes with mother lode
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