quinquagenarian noun & adjective. [,kwɪŋkwǝdʒɪ'nɛ:rɪǝn] M16.
[Latin quinquagenarius, from quinquageni distrib. of quinquaginta fifty + -ARIAN.]
A. noun.
1. A military commander of fifty men. rare. M16-E17.

2. A person from 50 to 59 years old. M19.
b. adjective.
1. (Of a military commander) in charge of fifty men. rare. Only in E17.

2. From 50 to 59 years old; of or pertaining to a quinquagenarian or quinquagenarians. E19.

[TahlilGaran] English Dictionary ▲