Στῆλαι (Stelai)
Στῆλαι means “Stelai — the Pillars (of Heracles), i.e. the Strait of Gibraltar”.
Ancient Greek word, found 5 times in the texts on Socratos.
Where it is used
Arrian, Ἀλεξάνδρου Ἀνάβασις 5.26.2: … Ὑρκανίαν θάλασσαν τῷ Ἰνδικῷ· ἀπὸ δὲ τοῦ Περσικοῦ εἰς Λιβύην περιπλευσθήσεται στόλῳ ἡμετέρῳ τὰ μέχρι Ἡρακλέους Στηλῶν· ἀπὸ δὲ Στηλῶν ἡ ἐντὸς Λιβύη πᾶσα ἡμετέρα γίγνεται καὶ ἡ Ἀσία δὴ οὕτω πᾶσα, καὶ ὅροι τῆς ταύτῃ ἀρχῆς οὕσπερ κ …
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.