tunnel
noun(tun-nel)
a covered passageway; specifically : a horizontal passageway through or under an obstruction
tunnel
noun(tun-nel)
a subterranean gallery (as in a mine)
tunnel
noun(tun-nel)
burrow
tunnel
verb(tun-nel)
to make or use a tunnel
tunnel
verb(tun-nel)
to pass through a potential barrier
tunnel
verb(tun-nel)
to make a tunnel or similar opening through or under; also : to make (one's way) by or as if by making a tunnel
tunnel
noun(tun-nel)
constriction of the visual field resulting in loss of peripheral vision
tunnel
noun(tun-nel)
extreme narrowness of viewpoint : narrow-mindedness; also : single-minded concentration on one objective
tunnel
noun(tun-nel)
a condition caused by compression of a nerve where it passes through the wrist into the hand and characterized especially by weakness, pain, and disturbances of sensation in the hand and fingers
tunnel
noun(tun-nel)
a tunnellike passage through which air is blown at a known velocity to investigate air flow around an object (such as an airplane part or model) placed in the passage
tunnel
geographical name(tun-nel)
series of bridges and tunnels opened in 1964 and extending 17.6 miles (28.3 kilometers) across and under Chesapeake Bay from Virginia Beach, Virginia, to the southernmost tip of the Delmarva Peninsula
tunnel
geographical name(tun-nel)
vehicular tunnel under the Hudson River connecting Manhattan Island, New York, with Jersey City, New Jersey; opened 1927
tunnel
geographical name(tun-nel)
railroad tunnel through the Hoosac Mountains in western Massachusetts 4.75 miles (7.6 kilometers) long; opened in 1875 after 24 years of work
tunnel
geographical name(tun-nel)
vehicular tunnel 8216 feet (2504 meters) long under the Hudson River connecting New York (Manhattan Island) and New Jersey and having two tubes, the first of which opened in 1937
tunnel
geographical name(tun-nel)
railroad tunnel 21.5 miles (34.6 kilometers) long through the Berner Alpen in southwest central Switzerland; opened in 2007