quaternion

Concise Bible Dictionary:

Strong’s Dictionary of Greek Words:

Greek:
τετράδιον
Transliteration:
tetradion
Phonic:
tet-rad’-ee-on
Meaning:
neuter of a presumed derivative of τέτρας (a tetrad; from 5064); a quaternion or squad (picket) of four Roman soldiers
KJV Usage:
quaternion