noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   One of the fine branching tubes of the trachea of an insect, which penetrates the tissues to provide oxygen.

   "Indeed, in the muscles of the wings every fibre has its own particular tracheole (small trachea)."

Example

More examples

"Indeed, in the muscles of the wings every fibre has its own particular tracheole (small trachea)."

Etymology

From trachea + -ole.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.