Simple Definition of trachea

from our Learner's Dictionary

trachea

noun

ˈtreɪkijə

British trəˈkiːjə

plural tracheae -kiˌiː

British -ˈkiːji

or tracheas

medical : a long tube in your neck and chest that carries air into and out of your lungs

called also windpipe

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“Trachea.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/trachea. Accessed 24 Jun. 2026.

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