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f a chimney for the passage of smoke; a flue; a funnel. And one great chimney, whose long tunnel thence The smoke forth threw. Spenser.

gn of motor-boat stern, for use in shallow waters, in which the propeller is housed in a tunnel and does not extend below the greatest draft.

a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel.

A passage, usually vertical, for admitting fresh air into a mine or a tunnel.

evere anæmia by sucking the blood from the intestinal walls. Called also miner's anæmia, tunnel disease, brickmaker's anæmia, Egyptian chlorosis.

iven or cut between shaft and shaft; a driftway; a small subterranean gallery; an adit or tunnel.

To dig Horizontally; to cut a horizontal gallery or tunnel. Tomlinson.

An uncovered cutting in the earth, in distinction from a covered cutting or tunnel.

The end or wall of the tunnel, drift, or excavation, at which work is progressing or was last done.

which is a filter composed of sand gravel. -- Filter gallery, an underground gallery or tunnel, alongside of a stream, to collect the water that filters through the intervening sand and gravel; -- called also infiltration gallery.

cone, terminating below in a pipe, and used for conveying liquids into a close vessel; a tunnel.

Having the form of a funnel, or tunnel; that is, expanding gradually from the bottom upward, as the corolla of some flowers; infundibuliform.

tive, or in front of it, to throw light on the track at night, or in going through a dark tunnel.

A support for the center of a tunnel.

To form subterraneous tunnel or hole; to form a burrow or lodge in the earth; as, the mining cony.

One of the poles or planks used in upholding the side earth in excavating a tunnel, ditch, etc.

the inclination of a mast or tunnel, or, in general, of any part of a vessel not perpendicular to the keel.

A tunnel. [Obs.] Shak.