Edaphosaurus Edaphosauria • Edda · · · Info · Definitions · Characters · · Edaphosaurus · · Text Latin · · Script 12 · · Length Definitions · · · (noun) heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic. Synonyms: edaphosaurus. · · Noun Definition 1 Characters · · E latin capital letter e U+0045 a latin small letter a U+0061 d latin small letter d U+0064 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075