sexagenary

[sek-saj-uh-ner-ee]
noun, plural sex·ag·e·nar·ies.
  1. a sexagenarian.

Origin of sexagenary

1525–35; < Latin sexāgēnārius, equivalent to sexāgēn(ī), distributive of sexāgintā sixty + -ārius -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sexagenary

Historical Examples of sexagenary