Catholic Dictionary
Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
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INCEST
Sexual intercourse between those who are related by blood or marriage and whom the Church forbids to marry. it is a sin both against chastity and the virtue of piety or reverence due to those closely related to us. Between parent and child, or brother and sister it is also a crime against nature. (Etym. Latin in-, not + castus, chastity: incestus, unchastity, incest.)
