in·​fau·​na ˈin-ˌfȯ-nə How to pronounce infauna (audio)
: benthic fauna living in the substrate and especially in a soft sea bottom compare epifauna
infaunal adjective

Word History


New Latin, from in- entry 2 + fauna

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of infauna was in 1914

Dictionary Entries Near infauna

Cite this Entry

“Infauna.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

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