poriferan poriferal • poriferous · · · Info · Definitions · Synonyms · Characters · · poriferan · · Text Latin · · Script 9 · · Length Definitions · · · (noun) primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies. Synonyms: sponge, parazoan. · · Noun Definition 1 Synonyms · · · sponge · · Synonym 1 parazoan · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072