Definition of "incest"

For a structuralist like Edmund Leach, the structure is the meaning. Genesis, for example, is about incest taboos; all the rest is noise and mystification.

1981, William Irwin Thompson, The Time Falling Bodies Take to Light:Mythology, Sexuality and the Origins of Culture, page 12

He was only Craster's whelp, an abomination born of incest, not the son of the King-beyond-the-Wall.

2005, George R. R. Martin, A Feast for Crows: A Song of Ice and Fire, page 225

I do not want anyone to feel that my lesbianism is a result of being incested.

1994, Kathryn Carter, Interpretive Approaches to Interpersonal Communication

Her erotic transference ultimately devolved into a revelation that she had been consistently incested by her brother

2009, Antonino Ferro, The Analytic Field: A Clinical Concept, page 206

[…] the most powerful of that bunch of immortal giants called Titans was Cronus, who “incested” with sister Rhea, who then birthed the Olympians (Zeus and his bunch) […]

2011, Marvin Mengeling, Crows, Pete Rose, UFOs: And Other Pretty Pieces, page 2