vbl. sb. Sc. Obs. Also 6 vastering. [f. WASTER sb.3 + -ING1.] The action or process of taking fish with a waster; leistering.
1580. Reg. Mag. Sig. Scot., 55/1. Cum omni alia piscatione salmonum inter dict. bondas, sive reticulis et modo appellato vastering. Ibid. (1634), 70/2. Cum cetera piscatione salmonum reticulis aut modo vocato wastering.