Ezekiel 1:23
And under the firmament were their wings straight, the one toward the other: every one had two, which covered on this side, and every one had two, which covered on that side, their bodies.
Cross-reference
Ezekiel 1:11
Parallel
Ezekiel 1:11 adds that the wings were also spread above — while here they are under the expanse; both describe the same wings.
Ezekiel 1:24
Historical context
Ezekiel 1:24 then describes the sound of those wings when they move — the wings here produce the noise there.
Ezekiel 1:12
Parallel
Ezekiel 1:12 describes the creatures moving straight without turning — complementing the wing posture described here.