infauna

noun
in·​fau·​na | \ ˈin-ˌfȯ-nə How to pronounce infauna (audio) , -ˌfä- \

Definition of infauna

: benthic fauna living in the substrate and especially in a soft sea bottom — compare epifauna

Other Words from infauna

infaunal \ ˈin-​ˌfȯ-​nᵊl How to pronounce infauna (audio) , -​ˌfä-​ \ adjective

First Known Use of infauna

1914, in the meaning defined above

History and Etymology for infauna

New Latin, from in- entry 2 + fauna

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The first known use of infauna was in 1914

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Cite this Entry

“Infauna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infauna. Accessed 13 Jun. 2021.

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More from Merriam-Webster on infauna

Britannica.com: Encyclopedia article about infauna

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