透納
Tunnel \Tun"nel\, v. t. [imp. & p. p. {Tunneled}or {Tunnelled}; p. pr. & vb. n. {Tunneling} or {Tunnelling}.] 1. To form into a tunnel, or funnel, or to form like a tunnel; as, to tunnel fibrous plants into nests. --Derham. 2. To catch in a tunnel net. 3. To make an opening, or a passageway, through or under; as, to tunnel a mountain; to tunnel a river.