Lewis & Short

Tarpēius, i, m.; Tarpēia, ae, f., a Roman proper name; so esp.,

    1. 1. Sp. Tarpeius, the father of Tarpeia, who opened the citadel to the Sabines, Liv. 1, 11; Val. Max. 9, 6, 1.
    2. 2. Tarpeia, a Roman maiden, who treacherously opened the citadel to the Sabines, and for her reward was killed by the weight of their arms, which they cast upon her, Flor. 1, 1; Aur. Vict. Vir. Ill. 2; cf. Liv. 1, 11, 6 sqq.; Ov. M. 14, 776.
      Hence,
  1. A. Tarpēius, a, um, adj., Tarpeian: mons, the Tarpeian Rock, the name of a rock on the Capitoline Hill, from which criminals were thrown headlong, Varr. L. L. 5, § 41 Müll.; Liv. 1, 55; called also, saxum, id. 6, 20; Tac. A. 6, 19; Fest. p. 343 Müll.: rupes, Tac. H. 3, 71; and absol.: in Tarpeio fodientes, Plin. 28, 2, 4, § 15: ad Tarpeium raptus (Metellus), id. 7, 44, 45, § 143: arx, the citadel on the Capitoline Hill, Prop. 4, (5), 4, 29; Ov. M. 15, 866: pater, Capitoline Jupiter, Prop. 4 (5), 1, 7; cf. fulmina, Juv. 13, 78; and dei, who were worshipped on the Capitoline Hill, Luc. 8, 863: coronae, given to victors in the Capitoline games, Mart. 9, 41, 1; cf. frons, id. 9, 4, 8; and quercus, id. 4, 54, 1: lex, named after a certain Tarpeius, Cic. Rep. 2, 35, 60; Fest. p. 237 Müll.: pudicitia, of a Tarpeia, Prop. 1, 16, 2.
  2. B. Tarpēiānus, a, um, adj., Tarpeian: haedus, of the Tarpeian Hill, Apic. 8, 6 and 8.