say it: CHUHN-uhl
chunnel is a noun meaning "the railroad tunnel between France and England under the English Channel". It carries one recorded sense.
the railroad tunnel between France and England under the English Channel
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for chunnel come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.