Strong’s Greek
G2461 — hippikon
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἱππικόν
hippikon — pronounced hip-pee-kon'
neuter of a derivative of 2462; the cavalry force:--horse(-men). see GREEK for 2462
1 occurrence in the KJV.
Revelation 9:16
And the number of the army of the horsemen were two hundred thousand thousand: and I heard the number of them.