Entry 2 senses · 2 variants Webster, 1913 Theban · The·ban · IPA a. n. 01 a. Of or pertaining to Thebes. 1. Of or pertaining to Thebes. Phrases & compounds Theban year — the Egyptian year of 365 days and 6 hours. 02 n. A native or inhabitant of Thebes; also, a wise man. 1. A native or inhabitant of Thebes; also, a wise man. “I'll talk a word with this same learned Theban.” — Shak.