middle name

middle name (plural middle names)

1. A name between the given name and the family name or surname

   I go by David but it's my middle name; my full name is William David Mason.

2. (figuratively) A trait, activity, or action closely associated with or aptly describing a person.

   Think twice about playing for cash because "Poker" is her middle name.

3. (Philippines) One's mother's maiden name.

• personal name
• first name
• last name