soilse1, f. (gs. ~, pl. -sí).1. Brightness, light. ~ na gréine, an lae, the light of the sun, of day. ~ na bhflaitheas, heavenly light. ~ an chreidimh, the light of faith. Faoi shoilse, lit up, ablaze. 2. Flash of lightning. 3. A Shoilse, (title) his Excellency; (address) your Excellency. 4. Bot:~ na súl, eyebright. (Var:m; pl. ~acha)