1) Used as a verb, to transport by wain.
2) A narrow, long-bodied vehicle, with either two or four wheels, drawn by horses or oxen and capable of carrying heavy loads.
1609 one heighwaie ... not sufficiently repayred so that carriages [loads] with waynes cannot passe, Helmsley
1616 20 hundreth weight is a fudder of lead, a tunne weight or a wayne loade, Brandsby
1642 When yow sende your barres to fielde yow are to lay them in 4 severall rowes crosse over the shelvings of the waine and none of them in the body of the waine, Elmswell
1653 with his drawght and six oxen and a wayne loaded with timber, Bradley.
3) Profit, advantage or gain.
1499 I bequeath xxvjs viijd ... to ease the poore folke ... for to pay ther fermes with so that the said people sett not ther goodes at waynworth
and they to have a day reasonable to pay, Wighill
1609 We thinke fortie oke trees are as few as we can judge to serve for that purpose ... Also we thincke that the workmanshipp of the same will not be made wainemeet under the value of Ł20, Whitby Bridge.