Main Entry: cor·ri·dor

Pronunciation: \ˈkȯr-ə-dər, ˈkär-, -ˌdȯr\

Function: noun

Etymology: Middle French, from Italian dial. (N Italy) corridore, from correre to run, from Latin currere — more at car

Date: 1719

1 a : a passageway (as in a hotel or office building) into which compartments or rooms open b : a place or position in which especially political power is wielded through discussion and deal-making <was excluded from the corridors of power after losing the election>
2 : a usually narrow passageway or route: as a : a narrow strip of land through foreign-held territory b : a restricted lane for air traffic c : a land path used by migrating animals
3 a : a densely populated strip of land including two or more major cities <the Northeast corridor stretching from Washington into New England — S. D. Browne> b : an area or stretch of land identified by a specific common characteristic or purpose <a corridor of liberalism> <the city's industrial corridor>