mother of vinegar


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

moth·er of vin·e·gar

in vinegar, the fungus of acetous fermentation appearing as a stringy sediment.
[A.S. modder, mud]
References in periodicals archive ?
And you can make your own mother of vinegar too, although you don't actually need it.
The thin scum that forms on the surface is mother of vinegar.