Quick Definition
Ἀχαϊα, ας, ἡ n.f. Achaia
Strong's Definition
of uncertain derivation; Achaia (i.e. Greece), a country of Europe
KJV Usage: Achaia
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
Ἀχαία Achaia 10x
Achaia, the Roman province, comprehending all Greece to the south of Thessaly
Abbott-Smith Greek Lexicon
Ἀχαία (T, Ἀχαΐα), -ας, ἡ (Bl., § 46, 11), Achaia, the Roman province: Ac 18:12, 27 19:21, Ro 15:26, I Co 16:15, II Co 1:1 9:2 11:10, I Th 1:7, 8.†
Liddell-Scott-Jones — Greek-English Lexicon
Ἀχαΐα (Achaia) — Achaia. Ἀχαία, Ionic dialect Ἀχαιΐη, ἡ, epithet of Demeter in Attica, [Refs 5th c.BC+]; also in Boeotia, [Refs 1st c.AD+]; Ἀχέα at Thespiae, [Refs].
II. ἀχαιά, ἡ, ={ἔριθος}, [Refs 4th c.BC+] grief for the loss of her daughter: also Ἀχηρώ [Refs]Ἀχαΐα, see at {Ἀχαιός}.