I. ˌkwädrəjə̇ˈna(a)rēən noun
( -s )
Etymology: Latin quadragenari us of forty, forty years old (from quadrageni forty each — from quadraginta forty — + -arius -ary) + English -an, n. suffix
: a person who is 40 or more and less than 50 years old
II. | ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷ adjective
: 40 or between 40 and 50 years old