1) Substantial pieces of timber, planking.
1508 De ijs iiijd pro v lez swailles like shamels, York
1520 Fabricć pontis le Hew xij lez swalles, New Malton
1541 Item for a gret longe swayll that lyes under the gutter, York
1600 a swalle of timber lyinge at Beckwithe, Harrogate
1634 bords, swalls, sleighes and all other lose wood, Eldwick.