Commentary: TUNNEL[+entity][+artifact][+construction][+span][+navigable][+underground]
Examples:
The tunnel under they bay is closed because of an accident.
They are building a railroad tunnel right through the mountain.
Their tunnel vision about this problem is frustrating. (figurative extension)
Mappings:
WordNet 3.0 Sense Numbers: 1
Commentary: TUNNEL[+structure][+underground][+burrow][+animal]
Examples:
Moles had dug extensive tunnels under Mary's garden.
Mappings:
WordNet 3.0 Sense Numbers: 2