Then the Prince would brandish his sword and make a show of charging them.
Jill hurried to the spot and didn’t know whether to laugh or cry when she saw Eustace’s face, very pale and dirty, projecting from the blackness of the hole, and Eustace’s right hand brandishing a sword with which he made lunges at anyone who came near him.
There are no more uses of "brandish" in the book.
Show samples from other sources
She brandished a sword.
She tossed her new weapon up in the air, caught it again, brandished it, and urged the horse forward.