Definition for mother lode - Oxford Dictionaries Online (World English)

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	mother lode (mother lode) noun Mining a principal vein of an ore or mineral. a rich source of something: your portfolio holds a mother lode of opportunities		More words in this category adit Bevin boy collier core creep duffer 1 fracking 1 gas gold rush guncotton haulier heading overburden rich skip 2 slag heap soft coal stamp mill strip mine yellowcake Nearby Words mother country Mother Earth mother figure mother goddess Mother Goose mother hen mother house Mother Hubbard mother liquor mother lode Mother Nature Mother of God Mother of Presidents Mother of States mother of thousands mother ship Mother Shipton Mother Superior mother tongue