Cos

“Coos” From Boyd’s Bible Dictionary:

(summit) (Acts 21:1). [COS.]

“Cos, Coos” From Boyd’s Bible Dictionary:

(summit). A small island of the Grecian archipelago (Acts 21:1).

Concise Bible Dictionary:

Kos
Acts 21:1. Small island in the Mediterranean, N. W. of Rhodes: now called Stanchio.

Strong’s Dictionary of Greek Words:

Greek:
Κώς
Transliteration:
Kos
Phonic:
koce
Meaning:
of uncertain origin; Cos, an island in the Mediterranean
KJV Usage:
Cos

Potts’ Bible Proper Names:

Sheep; summit:―an island in the Mediterranean, Acts 21:1. {Ovis}