anthozoan Anthozoa • anthozoic · · · Info · Definitions · Synonyms · Characters · · anthozoan · · Text Latin · · Script 9 · · Length Definitions · · · (noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed. Synonyms: actinozoan. · · Noun Definition 1 Synonyms · · · actinozoan · · Synonym 1 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 z latin small letter z U+007A