Tunnel shaft
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. [1913 Webster]

2. The opening of a chimney for the passage of smoke; a flue; a funnel. [1913 Webster]

And one great chimney, whose long tunnel thence The smoke forth threw. --Spenser. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …   Wikipedia

  • 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 Collaborative International Dictionary of English

  • Tunnel head — 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… …   The Collaborative International Dictionary of English

  • Tunnel kiln — 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… …   The Collaborative International Dictionary of English

  • Tunnel net — 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… …   The Collaborative International Dictionary of English

  • Tunnel pit — 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… …   The Collaborative International Dictionary of English

  • tunnel — [n] covered passageway adit, burrow, channel, crawl space, crawlway, crosscut, drift, hole, hole in the wall*, mine, passage, pit, shaft, subway, tube, underpass; concepts 509,513 tunnel [v] dig a passage through burrow, excavate, mine, penetrate …   New thesaurus

  • Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …   Wikipedia

  • Shaft mining — Abandoned mine shafts in Marl, Germany. A …   Wikipedia

  • shaft — Synonyms and related words: abysm, abyss, adit, air duct, air hole, air passage, air shaft, air tube, airway, antenna tower, arch, arrow, arrowhead, baluster, balustrade, banister, bank, barb, barbican, barbule, barrel, barrow, base, beam, belfry …   Moby Thesaurus

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