The king forthwith sent the pennons, and bade them without fail be armed and ahorse at dawn.
From every side, there was the sound of an arrival of men, both on foot and ahorse.
Already they are ahorse, and off they go, with bows and arrows.
He then said that he could not very well give me ahorse, "with saddle and bridle also."
They're ahorse, and they should arrive in three hours and you can't possibly escape.
Need it be said that Kenneth Montagu was ahorse and after the coach within a few minutes.