Meaning of anno aetatis suae*

an•no ae•ta•tis su•ae

Pronunciation: (än'nō ī-tä'tis s'ī Eng. an'ō i-tā'tis s'ē), [key]
— Latin. Latin.
  1. in the year of his age; in the year of her age.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.