noun \ˈin-ˌf-nə, -ˌfä-\

Definition of INFAUNA

:  benthic fauna living in the substrate and especially in a soft sea bottom — compare epifauna
in·fau·nal \-ˌf-nəl, -ˌfä-\ adjective

Origin of INFAUNA

New Latin, from 2in- + fauna
First Known Use: 1914


Next Word in the Dictionary: infaust
Previous Word in the Dictionary: infatuator
All Words Near: infauna

Seen & Heard

What made you want to look up infauna? Please tell us where you read or heard it (including the quote, if possible).