Obs. or dial. Also 5 scye. [Of Scand. origin; cf. Norw. si (also baatsi) cowhair (and wool) or rope-fiber used for caulking.] Tow or oakum used for caulking; see also quot. 1866.

1

1295.  Acc. Exch. K. R., 518 m. 2 (P.R.O.). Et vj. d. ob. in Sy. empto et filo inde faciendo pro dicta Galea obstupenda.

2

1495.  Naval Acc. Hen. VII. (1896), 153. For Sye and spynnyng of the same … vs. Ibid. (1497), 294. For here & Scye occupyed & layed in the Semys of the seid Ship.

3

[1856.  Edmondston, Shetland & Orkney Gloss., Sie, a narrow strip of cloth which, after having been soaked in tar, is placed between the overlaps of a clinker-built boat.]

4