tunnel has definitions from the field of geography
1
[ noun ] a passageway through or under something, usually underground (especially one for trains or cars)

Examples

"the tunnel reduced congestion at that intersection"

Used in print

(B. J. D. Meeuse, The Story of Pollination....)

The bottom part of a burrow has a number of side tunnels or `` cells '' , each of which is provided with an egg plus a store of beebread .

2
[ verb ] force a way through

Used in print

(Octavia Waldo, A Cup of the Sun....)

Only paved alleyways tunneled through the walls of those fortresses into the mysterious core of intimacy behind the houses where backyards owned no fences , where one man 's property blended with the next to form courtyards in which no one knew privacy .

Related terms

penetrate

3
[ verb ] move through by or as by digging

Synonyms

burrow

Examples

"burrow through the forest"

Used in print

(Terence O'Donnell, "Evenings at the Bridge"...)

Below , twenty vaults tunnel through the understructure of the bridge .

Related terms

dig burrow

4
[ noun ] (geography) a hole in the ground made by an animal for shelter

Synonyms

burrow

Related terms

hole warren burrow

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