zəˈnärthrə noun plural
Usage: capitalized
Etymology: New Latin, from xen- + arthra, plural of arthron
: a suborder or other division of Edentata comprising the American anteaters, armadillos, sloths, and usually the extinct ground sloths
• xe·nar·thral -thrəl or xe·nar·throus -thrəs adjective
• xe·nar·thran -thrən adjective or noun