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v. Present participle of vat.

n. The act or process of putting into a vat or vats, or of treating in a vat. Also used adjectively: as, vatting charges at the docks.

"Something like a Macallan 18 year old can actually contain several much older barrels in the mix (called "vatting"), aged in rare sherry casks."

attempt    endeavor    effort    endeavour    try   

bat   

chatting    combating    combatting    gatting    matting