[ad. Ir., Gael. turloch a brook, ground covered with water in winter and dry in summer, f. tur whole, absolute, entire + loch lake, pool.] (See quots.)
1685. Phil. Trans., XV. 958. As to those places we call Turloughs, quasi Terreni lacus, or land-lakes; they answer the name very well, being lakes one part of the year of considerable depth; and very smooth fields the rest.
1861. Zoologist, XIX. 7617. Serving … as water-courses for the ‘buried’ rivers which give rise to the sink-holes and turloughs for which the district of the Burren is famous.
1878. Kinahan, Geol. Irel., xix. 325. When the water during floods rises in the [shallow hollows], it overflows the adjoining lands, forming the turloughs, which are usually lakes in winter and callows in summer.
