Wiktionary
supremum
n. (context mathematics English) (''of a subset'') the least element of the containing set that is greater or equal to all elements of the subset. The supremum may or may not be a member of the subset.
Usage examples of "supremum".
Et tremefacta comam concusso vertice nutat, Volneribus donee paulatim evicta supremum Congemuit traxitque iugis avolsa ruinam.