meiofaunaPronunciation: /ˈmʌɪəʊˌfɔːnə/Definition of meiofauna noun [mass noun] Ecology minute interstitial animals living in soil and aquatic sediments. Origin: 1960s: from Greek meiōn 'less or smaller' + faunameiofauna in other Oxford dictionaries Definition of meiofauna in the US English dictionary
