Alternative form of Pingtung

(transport, civil engineering) A tunnel driven through the base of a mountain pass, rather than through the upper slopes of the mountains.

(transport, civil engineering) A tunnel driven through a pass at fairly high altitude to minimize the length of tunnel required, at the cost of requiring steeper and more winding routes up to each end of the tunnel.

(transport, civil engineering) A culmination tunnel.

(zoology) A North American subspecies of gray wolf native to the barren grounds of the Arctic coastal tundra region.

plural of Alaskan tundra wolf

Third-person singular simple present indicative form of change one's tune

plural of change of tune

Third-person singular simple present indicative form of change someone's tune

present participle of change one's tune