TROGYLLIUM trō jĭl’ ĭ əm (Gr. Τρωγύλλιον, G5591). Some twenty m. S of Ephesus, a high headland N of the mouth of the Maeander forms a sharply pointed cape protruding westward, and makes a narrow channel between the mainland and the island of Samos. This waterway forms a protected roadstead in which a coasting vessel might naturally pass the night before running across the open gulf to Miletus. This promontory is called Trogyllium. The strait is barely a m. wide. The pause in the protected anchorage is mentioned in Acts 20:15, and the v. is subject to some textual difficulties summarized in the critical note in EGT, vol. 2, 428. RSV omits “after remaining at Trogyllium,” merely noticing the words in a footnote. W. M. Ramsay discusses the text in two places (The Church in the Roman Empire, 155; Saint Paul the Traveller and Roman Citizen, 293, 294). The reading must be left to the adjudication of Lower Criticism, but the disputed phrase occasions no difficulty geographically or historically. There is evidence of a town on the promontory, and an anchorage is traditionally known as Paul’s Port.