ˌhīpərōˈärsh(ē)ə, -ärd.ēə noun plural
Usage: capitalized
Etymology: New Latin, from Greek hyperōia palate (from feminine of hyperōios upper, from hyper over, above) + New Latin -artia (from Greek artios complete, perfect); akin to Greek arti just, exactly, arariskein to fit — more at over , arm
: an order of cyclostomi consisting of the lampreys as distinguished from the hagfishes — compare hyperotreta