First Known Use: before 12th century
Dictionary
tun
noun \ˈtən\
Definition of TUN
1
: a large cask especially for wine
2
: any of various units of liquid capacity; especially : one equal to 252 gallons
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Origin of TUN
Middle English tonne, tunne, from Old English & Anglo-French; Old English, from Medieval Latin tunna; Anglo-French tone, tonne, from Medieval Latin
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