nonagenarius

Etymology
From, from.

Adjective

 * 1)  ninety
 * 2) ninety-year-old

Noun

 * 1) A nonagenarian, a 90-year-old.
 * 2)  A square or quadrature: a rising at 90 degrees from the position of another heavenly body, particularly the sun.

Descendants

 * English: ,
 * French: