first name

Universal Words (also given name especially in AmE) noun the name or names that were given to you when you were born, that come before your family name: His first name is Tom and his surname is Green. * Please give all your first names. * (BrE) to be on first-name terms with sb (= to call them by their first name as a sign of a friendly informal relationship) * (AmE) to be on a first-name basis