Added 10 October 2026 thessalia noun Categories: PlacesObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about thessalia at Wordnik → Where our words come from → A fertile plain on the Aegean Sea in east central Greece; Thessaly was a former region of ancient Greece. Related Words: thessalygreeceacroceraunianerymanthusepiruscynoscephalaemacedoniapeloponneseathens Back to today's word