Lewis & Short

Thēbae, ārum (collat. form Thēbē, ēs, Juv. 15, 6; Plin. 5, 9, 11, § 60), f., = Θῆβαι (or Θήβη), Thebes, the name of several cities of antiquity.
The most considerable were,

  1. I. The city of the hundred gates, in Upper Egypt, now Karnak, etc., Mel. 1, 9, 9; Plin. 5, 9, 11, § 60; 36, 7, 11, § 58; 36, 8, 12, § 60; 36, 13, 20, § 94 al.
    Hence,
      1. 1. Thēbae-us, a, um, adj., of or belonging to Thebes, Theban: mons, in the Thebaid, Claud. Idyll. 1, 91.
      2. 2. Thēbāĭcus, a, um, adj., Theban: palmae, Plin. 23, 4, 51, § 97; called also simply Thebaicae, Stat. S. 4, 9, 26: triticum, Plin. 18, 7, 12, § 68: lapis, id. 36, 8, 13, § 63; 36, 22, 43, § 157: harena, id. 36, 6, 9, § 53: marmor, Spart. Nigr. 12.
      3. 3. Thē-bāïs, ĭdis, f. (sc. terra), the Thebaid, the capital of which was Thebes, Plin. 5, 9, 9, § 48; 12, 21, 46, § 100; 13, 4, 9, § 47 al. et saep.
  2. II. The chief city of Bœotia, one of the most ancient cities in Greece, founded by Cadmus, now Thive, Mel. 2, 3, 4; Plin. 4, 7, 12, § 25; 5, 19, 17, § 76; 7, 29, 30, § 109; Varr. R. R. 3, 1, 2; Cic. Inv. 1, 50, 93; Hor. C. 1, 7, 3; 4, 4, 64; id. Ep. 1, 16, 74.
    Hence,
      1. 1. Thēbānus, a, um, adj., of or belonging to Thebes, Theban: Semele, Hor. C. 1, 19, 2: deus, i. e. Hercules, Prop. 3, 18 (4, 17), 6: urbs, i. e. Thebes, Hor. A. P. 394: duces, i. e. Eteocles and Polynices, Prop. 2, 9, 50; called also, Thebani fratres, Luc. 4, 551: soror, their sister Antigone, Ov. Tr. 3, 3, 67: mater, i. e. Niobe, Stat. Th. 1, 711: modi, i. e. Pindaric, Hor. Ep. 1, 3, 13: aenigma, i. e. of the Theban Sphinx, Mart. 1, 91, 9 et saep.
        Plur. subst.: Thēbāni, ōrum, m., the innabitants of Thebes, the Thebans, Cic. Fat. 4, 7; id. Rep. 4, 4.
      2. 2. Thēbăïs, ĭdis, adj. f., Theban: chelys, i. e. of Amphion the Theban, Stat. S. 2, 2, 60: hospes, Sen. Agam. 315.
        Substt.
        1. a. Thēbăĭdes, um, f., the women of Thebes, Ov. M. 6, 163.
        2. b. Thēbăïs, ĭdis, f.
          1. (α) Sc. terra, the district of Thebes, in Upper Egypt, Plin. 5, 9, 9, § 48; 12, 21, 46, § 100; 13, 4, 9, § 47 sq.
          2. (β) Sc. femina, a Theban woman, Ov. M. 6, 163; id. A. A. 3, 778.
          3. (γ) Sc. Musa, the song of Thebes (in Bœotia), the name of a poem by Statius, Stat. S. 3, 5, 36; id. Th. 12, 812; Juv. 7, 83.
  3. III. A city in Mysia, destroyed by Achilles, Ov. M. 12, 110; 13, 173; Mel. 1, 18, 2.
  4. IV. A city in Cilicia, Plin. 5, 27, 22, § 92.
    Hence, Thēbāna, ae, f., the Theban dame, i. e. Andromache, the daughter of Eetion, king of Thebes in Mysia, Ov. Tr. 4, 3, 29.