Русско-англо-русский юридический словарь

Sexual intercourse, or coitus or copulation, is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both. (Wikipedia)

In flagrante delicto is a Latin phrase which means “in the very act of committing an offense.” The term in flagrante delicto is used to indicate that a criminal has been caught in the act of committing an offense. The Latin term is sometimes used colloquially as a euphemism for a couple being caught in the act of sexual intercourse. The colloquial "caught red-handed" or "caught rapid" are English equivalents of this Latin phrase. (USLegal)

Physical Incapacity. The inability of a spouse to engage in sexual intercourse with the other spouse. In some states, physical incapacity is a ground for an annulment or fault divorce, assuming the incapacity was not disclosed to the other spouse before the marriage. (Nolo’s Plain-English Law Dictionary)

Physical Incapacity. The inability of a spouse to engage in sexual intercourse with the other spouse. In some states, physical incapacity is a ground for an annulment or fault divorce, assuming the incapacity was not disclosed to the other spouse before the marriage. (Nolo)