noun
Rare, formal term for an adult, literally 'person of full age'. Not used in everyday conversation; modern Japanese prefers 大人 (おとな) or 成人 (せいじん).
「丁年者」は、古い法律文書などで見かけることがある。
The word 丁年者 can be found in old legal documents and the like.
Common word for 'adult' in legal or formal contexts, such as 成人式 (coming-of-age ceremony).
Compound of 丁年 (ていねん, 'full age, adulthood') + 者 (しゃ, 'person'). The exact historical derivation is uncertain; the word is rare in modern usage.