in‧cest /ˈɪnsest/
noun [uncountable][
Date: 1200-1300;
Language: Latin;
Origin: incestum, from castus 'pure'; ⇒ chaste]
sex between people who are closely related in a family:
Abortions would only be allowed in cases of rape or incest. [TahlilGaran] Dictionary of Contemporary English ▲