| |||
adit | |||
subway | |||
bore | |||
tunnel | |||
tunnel A underground passageway, especially one for trains or cars that passes under a mountain, river or a congested urban area | |||
duct; shroud |
tunneli: 21 phrases in 8 subjects |
Agriculture | 1 |
Construction | 4 |
Electronics | 5 |
Hobbies and pastimes | 1 |
Life sciences | 3 |
Microsoft | 1 |
Physical sciences | 2 |
Transport | 4 |