fourscore UK /ˈfɔːskɔː/US /ˈfɔɹskoɹ/number 2noun 1forms 1 number2 •A full-length life, reckoned as eighty years. •(no longer used) Eighty.Thou stick'st a dagger in me, I shall neuer see my gold againe, fourescore ducats at asitting, fourescore ducats. — 1596 noun1 •A quantity or amount of eighty.W. J. Davis, a retired missionary, a veteran in the fourscores of his years. — 1922 formsfourscores