1) To make timber square in preparation for its use by the house builders.
In 1418, the purchase of seven oaks was followed by a payment for them being squared: In expensis iiij carpentariorum squarrancium quercus, York
1486 xxx squared trees and half c waynescotes to the reparaciones of the stalles, Beverley
1544-5 payd … carpenters for 6 days fellyng and squarryng of tymber, Bridlington
1619 40 foet of squared tymber is a loade, 6d each wrought square foet or so many inshes as will make a square foet is an ordinary price, be it jeysts, sparres, Brandsby.