Is specially applied to provision casks, and is the third of a pipe; but the beef-tierce contains 280 lbs., or 28 galls., whilst that of pork only contains 260 lbs., or 26 galls. Now the beef-tierce often contains 336 lbs., and the pork 300 lbs.
·noun The third tone of the scale. ·see <<Mediant>>. II. Tierce ·noun A position in thrusting or pa...
Webster's Dictionary of the English Language
·noun ·see <<Tierce>>, 4. ...