A way allowing passage, especially a corridor.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "passageway" in a sentence
"Why Not? how about we move the monorail stop to this plaza, instead of that ugly dying mall, and construct an underground passageway from the tunnel to this plaza?"
"Sometimes the open passageway is wide (a large PDA) and sometimes it is narrow (a small PDA)."
"The advertised purpose of this expansion is to create a new multi-modal passageway from the airport to the burgeoning population center right there on Rt. 29."