mainsail

Strong’s Dictionary of Greek Words:

Greek:
ἀρτέμων
Transliteration:
artemon
Phonic:
ar-tem’-ohn
Meaning:
from a derivative of 737; properly, something ready (or else more remotely from 142 (compare 740); something hung up), i.e. (specially) the topsail (rather foresail or jib) of a vessel
KJV Usage:
mainsail