courtesy title
noun
a title applied or assumed through custom, courtesy, or association and without regard for its being officially merited.
a title allowed by custom, as to the children of dukes.
Origin of courtesy title
First recorded in 1860–65
Words nearby courtesy title
courtesan,
courtesy,
courtesy car,
courtesy card,
courtesy light,
courtesy title,
courthouse,
courtier,
courting mirror,
courtly,
courtly love
British Dictionary definitions for courtesy title
courtesy title
noun
any of several titles having no legal significance, such as those borne by the children of peers