"Where did you find this sword?" she repeated, brandishing it in his face, "Snape sent it to my vault in Gringotts!"
As Narcissa dragged Draco out of the way of further harm, Bellatrix sprang to her feet, her hair flying as she brandished the silver knife; but Narcissa had directed her wand at the doorway.
And then it came to Harry in one shining piece, the memory that had stirred at the sound of the name "Peverell": a filthy old man brandishing an ugly ring in the face of a Ministry official, and he cried aloud, "Marvolo Gaunt!"
She brandished her wand at a touch on the wall and it flew out of its bracket.
There were animals too, and the clanking suits of armor brandished swords and spiked balls on chains.
The few Ravenclaws who had remained behind sprinted for the stairs as Amycus burst over the threshold, brandishing his wand.
"How do we get out?" yelled Ron over all the screaming, but before either Harry or Hermione could answer they were bowled aside; Hagrid had come thundering down the stairs, brandishing his flowery pink umbrella.
Harry directed a Stunning Spell toward the masked Death Eater; it missed but nearly hit Neville, who had emerged from nowhere brandishing armfuls of Venomous Tentacula, which looped itself happily around the nearest Death Eater and began reeling him in.
Sliding from Harry’s shoulders the moment he could, he had sprinted for cover amongst the surrounding goblins, brandishing the sword and crying, "Thieves!
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.