Gregory the Dialogist

When the time shall be, she raiseth her wings on high, she scorneth the horseman and his rider. 27. For what do we understand by the wings of this ostrich, except the thoughts of the hypocrite, kept close at this time as if folded together? But when the time shall come, he raises them on high; because when an opportunity is found, he makes them manifest by his pride. To raise the wings on high, is to disclose his thoughts with unbridled haughtiness. …

Morals on the Book of Job, Book XXXI ↗

Thomas Aquinas

Because he had said already that she has wings like the falcon and the hawk, (v.13) consequently, he shows next what purpose wings serve her saying, "When the time comes," when some necessity of violent movement presents itself to her, "she lifts her wings up high," so that although her body cannot be raised to fly by her wings, she is helped by her wings to run more swiftly, and so he says, "she laughs at the mounted horse," because she runs more swiftly than a horse carrying a man, "and his rider," of the horse, because she would …

Commentary on Job ↗