ar·a·ne·i·for·mes \ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈfȯrˌmēz\noun plural alsoaraneifor·mia\-_mēə\ Usage: capitalized Etymology:Araneiformes from New Latin, from Latin aranea spider + New Latin -iformes; Araneiformia from New Latin, probably alteration of Araneiformes in old classifications: pycnogonida