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   tunnel

   /ˈtʌnl/

   noun

   • 1. an artificial underground passage, especially one built through a hill or under a building, road, or river: "a road tunnel through the Pyrenees"
   • ▪ an underground passage dug by a burrowing animal.
   • ▪ a passage in a sports stadium by which players enter or leave the field: "he jogged off the field and into the tunnel"
   • 2. short for wind tunnel
   • 3. a long, half-cylindrical enclosure used to protect plants, made of clear plastic stretched over hoops: "cover plants in rows with a cloche tunnel"

   verb

   • 1. dig or force a passage underground or through something: "he tunnelled under the fence"
   • 2. (of a particle) pass through a potential barrier.

   Word Origin late Middle English (in the senses ‘tunnel-shaped net’ and ‘flue of a chimney’): from Old French tonel, diminutive of tonne ‘cask’. tunnel (sense 1 of the noun) dates from the mid 18th century.

   Derivatives

   • 1. tunneller noun

   Scrabble Points: 6

   • T

     1

   • U

     1

   • N

     1

   • N

     1

   • E

     1

   • L

     1

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