Wiktionary
n. As much as a coach will hold.
Usage examples of "coachful".
He'd ridden like a warrior one moment, undoubtedly risking his life for a coachful of strangers.
Once the officers of the Fencibles gave a grand ball at Kilwangan, to which, as a matter of course, all the ladies of Castle Brady (and a pretty ugly coachful they were) were invited.
Now I stopped to look at a merry party hurrying through the snow on foot to their place of meeting, and now turned back to see a whole coachful of children safely deposited at the welcome house.
Clarissa and Diana had always agreed very well, and after a little shyness Brigid joined in, so that the coachful could have been heard talking and laughing a furlong off, particularly as Brigid so very often leaned out to call up to Padeen behind, desiring him to look at the brindled cow, at the great yoke of oxen, at the three children on one ass.