iascach1, m. (gs. -aigh).1. vn. of iasc2. 2. Fishing; fishery. ~ a dhéanamh, to fish. Dá mbeadh an lá chun iascaigh, if the day was suitable for fishing. Bád, bráite, líon, duán, iascaigh, fishing-boat, -ground, -net, -hook. Jur:Ceart iascaigh, right of fishery. 3. Lit:Coll: Fish.