Definition of "phallus"

The phallus had power to subdue the attacks of demons and the Evil Eye[.]

1936, Rollo Ahmed, The Black Art, London: Long, page 159

If the priests of Diana of Ephesus castrated themselves and offered their genitals on the altar, it was because the phallus was the symbol of the dying body.

1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 129