1) Leather of a white or light colour and soft pliant consistence, prepared by tawing (OED).
1395 It. pro factura xj sellarum ... de canwas pro eisdem ... pro whitlethir pro eisdem, Whitby
1465 1 bar’ de whiteleder tewed [imported from Leith into Hull]
1532 one halffe dacre of whit ledder, Fountains Abbey
1579 Mr Maior for a pece of whytt leather 6d, Beverley: 1583 Rec. of the Glovers for 3 haulf hides of whyte leather taken of one dwelling about Skarbrough 10d, Beverley. Latin texts indicate that it has a much longer history: 1299-1300 In albo coreo, cordis … et canabo, Bolton Priory.