Definition of tunnel. Meaning of tunnel. Synonyms of tunnel

Here you will find one or more explanations in English for the word tunnel. Also in the bottom left of the page several parts of wikipedia pages related to the word tunnel and, of course, tunnel synonyms and on the right images related to the word tunnel.

Definition of tunnel

tunnel
Adit Ad"it, n. [L. aditus, fr. adire, ?aitum, to go to; ad + ire to go.] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel. 2. Admission; approach; access. [R.] Yourself and yours shall have Free adit. --Tennyson.
Tunnel
Tunnel Tun"nel, n. . [F. tonnelle a semicircular, wagon-headed vault, a tunnel net, an arbor, OF. also tonnel; dim. of tonne a tun; -- so named from its resemblance to a tun in shape. See Ton.] 1. A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel. 2. The opening of a chimney for the passage of smoke; a flue; a funnel. And one great chimney, whose long tunnel thence The smoke forth threw. --Spenser. 3. An artificial passage or archway for conducting canals or railroads under elevated ground, for the formation of roads under rivers or canals, and the construction of sewers, drains, and the like. 4. (Mining) A level passage driven across the measures, or at right angles to veins which it is desired to reach; -- distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel. Tunnel head (Metal.), the top of a smelting furnace where the materials are put in. Tunnel kiln, a limekiln in which coal is burned, as distinguished from a flame kiln, in which wood or peat is used. Tunnel net, a net with a wide mouth at one end and narrow at the other. Tunnel pit, Tunnel shaft, a pit or shaft sunk from the top of the ground to the level of a tunnel, for drawing up the earth and stones, for ventilation, lighting, and the like.
Tunnel
Tunnel Tun"nel, v. t. [imp. & p. p. Tunneledor 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.

Meaning of tunnel from wikipedia

- A tunnel is an underground or undersea p****ageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed...
- Silvertown Tunnel is a road tunnel, opened on 7 April 2025, beneath the River Thames in east London, England. The 1.4 km (0.87-mile) twin-bore tunnel runs between...
- Tunnel (French: Tunnel sous la Manche), sometimes referred to by the portmanteau Chunnel, is a 50.46-kilometre (31.35-mile) undersea railway tunnel,...
- Carpal tunnel syndrome (CTS) is a nerve compression syndrome ****ociated with the collected signs and symptoms of compression of the median nerve at the...
- construction workers, on behalf of the synagogue's leaders, attempted to fill in a tunnel that students had illegally dug beneath the building. The New York City...
- completed multiple test tunnels and one tunneling project that is open to the public. In 2018, TBC completed one test tunnel in Los Angeles County, California...
- In physics, quantum tunnelling, barrier penetration, or simply tunnelling is a quantum mechanical phenomenon in which an object such as an electron or...
- The Sonamarg Tunnel (Hindi: सोनमर्ग सुरंग) is a 6.5-kilometre-long (4.0 mi) road tunnel connecting Gagangir and Sonamarg, in the Ganderbal district of...
- The Seikan Tunnel (****anese: 青函トンネル, Seikan Tonneru or 青函隧道, Seikan Zuidō) is a 53.85 kilometres (33.46 mi) dual-gauge railway tunnel in ****an, with a...
- The Lincoln Tunnel is an approximately 1.5-mile-long (2.4 km) tunnel under the Hudson River, connecting Weehawken, New Jersey, to the west with Midtown...