tracheal gill

noun

Definition of tracheal gill

: one of the external filaments or leaflike plates connected with the tracheae of the inside of the body that form part of the respiratory system of some aquatic insect larvae and nymphs but rarely persist in the adult

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Learn More About tracheal gill

Dictionary Entries Near tracheal gill

tracheal commissure

tracheal gill

tracheal sac

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Cite this Entry

“Tracheal gill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tracheal%20gill. Accessed 17 Sep. 2021.

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