A child who is the youngest in a family.

Referring to the final or latest occurrence in a series.

एक श्रृंखला में अंतिम या नवीनतम घटना

English Usage: His last-born idea was a revolutionary concept in technology.

Hindi Usage: उसका अंतिम पैदा हुआ विचार तकनीक में एक क्रांतिकारी अवधारणा थी।