The head - Either “the leading wheel which the others followed,” or more probably, the head of a cherub (one for all), the description passing from the wheels to the cherubim Ezekiel 10:12.
Related Commentaries of Ezekiel 10:11
Ezekiel 10:11
11 When they went, they went upon their four sides; they turned not as they went, but to the place whither the head looked they followed it; they turned not as they went.