ˌhīpərōˈtrēd.ə noun plural
Usage: capitalized
Etymology: New Latin, from Greek hyperōia palate (from feminine of hyperōios upper) + New Latin -treta (from Greek trētos perforated, from tetrainein to perforate, pierce) — more at throw
: an order of Cyclostomi including the hagfishes as distinguished from the lampreys — compare hyperoartia