tunnel

US /ˈtʌnəl/

UK /'tʌnl/

B1
n. (c./u.)Noun (Countable/Uncountable)Passage under the ground, often for cars or trains
The tunnel takes us through the mountain
n.NounAs if looking in a long hole
He has tunnel vision so he cannot see you beside him
v.t.Transitive VerbTo dig a hole from one side to another
These animals will tunnel under any wall

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