( middle names)
1.
Your middle name is the name that comes between your first name and your surname.
His middle name is Justin.
N-COUNT : usu poss N
2.
You can use middle name in expressions such as ‘ discretion was her middle name ’ and ‘ his middle name is loyalty ’ to indicate that someone always behaves with a great deal of a particular quality. ( HUMOROUS )
Geniality is my middle name. I rarely write a fierce word about any restaurant.
N-COUNT : usu poss N