ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈsȯrəs noun
Usage: capitalized
Etymology: New Latin, from Greek edaphos + New Latin -saurus
: a genus (the type of the family Edaphosauridae) of heavy-bodied prob. herbivorous late Paleozoic reptiles having a bony dorsal sail or crest resembling that characteristic of the genus Dimetrodon