What is "beastiality"

Usage examples of "beastiality".

She felt angry and sick that such things could go on at all, and that such people could become such monstrous practitioners of murder, sadism, masochism, sexual excess, and even beastiality.

There were two hundred well-wishers and freeloaders present, all wearing partial or full false faces of sequined shimmer-cloth that stretched snugly over their features and was somehow unable to conceal (for Guil, at least) the beastiality that lurked on the true ex­pressions that had leered from the tiers of the Great Hall only hours earlier.