n.
Pronunciation: ' t ə -n ə l
Function: noun
Etymology: Middle English tonel cask, tun, from Anglo-French, from tone tun
Date: 1508
1 : a hollow conduit or recess : TUBE , WELL
2 a : a covered passageway specifically : a horizontal passageway through or under an obstruction b : a subterranean gallery (as in a mine) c : BURROW
– tun · nel · like \ -n ə l- ˌ (l) ī k \ adjective