Idiom
mother lode
Meaning
Any source of valuable or useful material.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“This old library is a mother lode of information.”
“After searching for hours, the researchers finally found a mother lode of data in the archives.”
“The historian realized that the dusty collection of letters was a mother lode of insight into the lives of the city's founders.”
Examples
simple
“This old library is a mother lode of information.”
contextual
“After searching for hours, the researchers finally found a mother lode of data in the archives.”
complex
“The historian realized that the dusty collection of letters was a mother lode of insight into the lives of the city's founders.”
Origin
Probably a calque of Spanish veta madre (“mother lode”).
Key words
Related idioms
- Updated