Date: 1400-1500
Language: Old French
Origin: tonel 'barrel', from tonne, from Medieval Latin tunna


1 noun
tun‧nel1 W3 [countable]
1TT a passage that has been dug under the ground for cars, trains etc to go through:
a railway tunnel
the Channel Tunnel (=between England and France)
2HBA a passage under the ground that animals have dug to live in

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