Noun
a name between your first name and your surname
Source: WordNetActor Mark Harmon (Thomas Mark Harmon) uses his middle name professionally to avoid confusion with his father Heisman Trophy winner and former broadcaster Tom Harmon (Thomas Dudley Harmon). Source: Internet
Although surnames are static today, dynamic and changing patronym usage survives in middle names in Greece where the genitive of the father's first name is commonly the middle name. Source: Internet
Although surnames in mainland Greece are static today, dynamic and changing patronymic usage survives in middle names where the genitive of father's first name is commonly the middle name (this usage having been passed on to the Russians ). Source: Internet
An Autobiography, by Frank Lloyd Wright, Duell, Sloan and Pearce, New York City, 1943, p. 51 At this time he changed his middle name from Lincoln to Lloyd in honor of his mother's family, the Lloyd Joneses. Source: Internet
Clark's middle name is given variously as either Joseph, Jerome or Jonathan, all being allusions to creators Jerry Siegel and Joe Shuster. Source: Internet
As she had no middle name, she chose K (for "Kathleen") as the second initial of her pen name, from her paternal grandmother. citation She calls herself "Jo". Source: Internet