Pun

Wordplay on words of similar sound or on the several meanings of a single word, to make a joke or to say two things at once.

In Don Quixote

since you have, by right, left me crooked, leaving me with a broken leg that will never be straight for the rest of its days; and the wrong you did me was to leave me wronged, so that I shall be wronged forever.

"By right" (rightly) and "straight" echo in "crooked," and the bachelor turns the knight's trade, setting crooked things straight, into a joke he himself suffers with a broken leg.

Part One: The Galley Slaves and the Sierra, the bachelor Alonso López, fallen under the mule, to Don Quixote

they went back to their beasts, and to being beasts, Don Quixote and Sancho, and this was the end of the adventure of the enchanted boat.

Part Two: Montesinos and the Puppet Show, the narrator, at the end of the adventure of the boat

sister, if the same spirit and courage you showed in defending this purse were shown, and even half as much, in defending your body, the strength of Hercules would not be enough to force you.

Part Two: The Governorship of the Island, Sancho as governor, to the woman who accused a pig breeder