A soft, pale leather prepared by tawing with alum and salt.
1836, "the author of The Book of the Seasons", Days at My Grandfather’s, Mrs. Alaric Watts (editor), The New Year's Gift and Juvenile Souvenir, page 83,
So to keep him out there was a loop of whitleather fastened to the latch, which when hung on the catch let the door stand open about three inches.