Wiktionary
sixty-sixth
n. (context fractional English) One of sixty-six equal parts of a whole. num. (context ordinal English) The ordinal form of the number sixty-six, describing a person or thing in position number 66 of a sequence.
Usage examples of "sixty-sixth".
It has pleased God the Almighty, in his inscrutable providence, to take away our innermost loved, best husband, father, grandfather, uncle, brother-in-law, and cousin, Herr---, dyer of cloth and silk, yesterday night, at eleven o'clock, after three weeks of severe suffering, having partaken of the holy sacrament, in his sixty-sixth year, out of this earthly abode of calamity into the better Beyond.