tra·​che·​ole ˈtrā-kē-ˌōl How to pronounce tracheole (audio)
: one of the minute delicate endings of a branched trachea of an insect
tracheolar adjective

Word History


New Latin tracheola, diminutive of trachea

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of tracheole was in 1901

Dictionary Entries Near tracheole

Cite this Entry

“Tracheole.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

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