tarpeian

Century Dictionary and Cyclopedia

1. Noting a rock on the Capitoline Hill at Rome over which persons convicted of treason to the state were hurled. It was so named, according to tradition, from Tarpeia, daughter of the governor of a citadel at Rome, who betrayed the fortress to the Sabine soldiers, and was crushed to death under their shields and buried at the base of the rock.

GNU Webster's 1913

1. adj. Pertaining to or designating a rock or peak of the Capitoline hill, Rome, from which condemned criminals were hurled.