齢

school age

age of a vessel

age of a warship

bone age; skeletal age

longevity; prolonging one's life

mental age

Humble; Formal or literary term

(one's own) age

Orig. meaning

age of a horse

week-old

childhood

chronological age

declining years

life expectancy

long life; age; life

age in days; number of days old

register of school-age children

Trillium smallii (species of trillium)

youth

embryonic age; fetal age; foetal age

salary based on age

middle and advanced age

skin showing signs of old age (e.g. wrinkles); ageing skin

Medicine

age-related; aging-associated

Medicine

biological age of the body (based on fitness metrics); body age

mental age