Collins COBUILD Advanced Learner's English Dictionary - middle name

(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