- tunnel - a passageway through or under something, usually underground (especially one for trains or cars); "the tunnel reduced congestion at that intersection"
--1 is a kind of passageway
--1 has particulars: catacomb; railroad tunnel; underpass, subwayDerived form: verb tunnel2 - burrow, tunnel - a hole in the ground made by an animal for shelter
--2 is a kind of hole, hollow
--2 has particulars: warren, rabbit warrenDerived form: verb tunnel1
- burrow, tunnel - move through by or as by digging; "burrow through the forest"
--1 is one way to dig, delve, cut into, turn over
Sample sentence:Derived form: noun tunnel2
Something is ----ing PP
- tunnel - force a way through
--2 is one way to penetrate, perforate
Sample sentences:Derived form: noun tunnel1
Something is ----ing PP
Somebody ----s PP