infauna Syllabification: (in·fau·na)Pronunciation: /inˈfônə/Definition of infauna noun Ecology the animals living in the sediments of the ocean floor or river or lake beds. Compare with epifauna.Derivatives infaunalPronunciation: /-ˈfônl/ adjective infauna in other Oxford dictionaries Definition of infauna in the British & World English dictionary
