From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) A native of Ephesus.

(2): ( n.) A jolly companion; a roisterer.

(3): ( a.) Of or pertaining to Ephesus, an ancient city of Ionia, in Asia Minor.

King James Dictionary [2]

EPHE'SIAN, a. s as z. Pertaining to Ephesus, in Asia Minor. As a noun, a native of Ephesus.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]

( Ε᾿Φέσιος ), a native or resident of the city of Ephesus (q.v.), in Asia Minor ( Acts 19:28;  Acts 19:34-35;  Acts 21:29). The similar adj. Ephesine ( Ε᾿Φεσῖνος , "of Ephesus") also occurs ( Revelation 2:1).