Thermopylae
geographical name
Ther·mop·y·lae
| \ (ˌ)thər-ˈmä-pə-(ˌ)lē
\
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Definition of Thermopylae
locality in eastern Greece between Mount Oeta and the Gulf of Maliakós; once a narrow pass along the coast, now a rocky plain 6 miles (9.6 kilometers) from the sea