Carlock

Car'lock noun [ French carlock , from Russian Karl├║k' .] A sort of Russian isinglass, made from the air bladder of the sturgeon, and used in clarifying wine.
Found on http://www.encyclo.co.uk/webster/C/26

Carlock

• (n.) A sort of Russian isinglass, made from the air bladder of the sturgeon, and used in clarifying wine.
Found on http://thinkexist.com/dictionary/meaning/carlock/
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