Try Our Apps


The Best Internet Slang


[in-faw-nuh] /ˈɪnˌfɔ nə/
noun, plural infaunas, infaunae
[in-faw-nee] /ˈɪnˌfɔ ni/ (Show IPA).
the aggregate of animals that burrow into and live in the bottom deposits of an ocean, river, or lake.
Compare epifauna.
Origin of infauna
First recorded in 1910-15; in-1 + fauna
Related forms
infaunal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
infauna in Science
Benthic animals that live in the substrate of a body of water, especially in a soft sea bottom. Infauna usually construct tubes or burrows and are commonly found in deeper and subtidal waters. Clams, tubeworms, and burrowing crabs are infaunal animals. Compare epifauna.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for infauna

Few English speakers likely know this word

Word Value for infauna

Scrabble Words With Friends

Nearby words for infauna