Trogyllium

Boyd’s Bible Dictionary:

(fruit port). Town and promontory on the western coast of Asia Minor, opposite Samos. Paul visited it on his third missionary tour (Acts 20:15).

Concise Bible Dictionary:

City in Caria in the south-west of Asia Minor, and opposite the island Samos. The ship in which Paul sailed remained there one night. There is an anchorage which is still called St. Paul’s Port (Acts 20:15).

Strong’s Dictionary of Greek Words:

Greek:
Τρωγύλλιον
Transliteration:
Trogullion
Phonic:
tro-gool’-lee-on
Meaning:
of uncertain derivation; Trogyllium, a place in Asia Minor
KJV Usage:
Trogyllium

Jackson’s Dictionary of Scripture Proper Names:

a cache (i.e., a hole in the ground for preserving food)

Potts’ Bible Proper Names:

A cavern; fruit-port:―a place in Asia Minor, Acts 20:15. {Caverna}