B'ASKING-SHARK, n. The sun-fish of the Irish; a species of squalus or shark. This fish is from three to twelve yards in length, or even longer. The upper jaw is much longer than the lower one; the tail is large and the upper part much longer than the lower; the skin is rough, of a deep leaden color on the back, and white on the belly. The fish weighs more than a thousand pounds, and affords a great quantity of oil, which is used for lamps, and to cure bruises, burns, and rheumatic complaints. It is viviparous, and frequents the northern seas. [See Squalus.]