Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The main vein of ore in a region.
- noun An abundant or rich source.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology A
large orrich vein ofgold or of anotherprecious mineral from which other branches extend. - noun idiomatic, by extension Any
source of valuable or useful material.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the main vein of ore in a deposit
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Probably from Spanish veta madre ("mother lode")
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Examples
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