This was done, and that portion of the wall is called the 'Ha-ha!'
Harold leaped from the edge of the ha-ha where he had been sitting and held up his hand.
Ha-ha is the name of the province in which Mogador is situated; it is also the name of the tribe.
For some minutes they thus remained, looking down into the ha-ha.
Oh, Bernard, I should so like to see you rolled down into ...