n. [ Gael. & Ir. sgadan a herring. ] (Zool.) (a) A small carangoid fish (Trachurus saurus) abundant on the European coast, and less common on the American. The name is applied also to several allied species. (b) The goggler; -- called also big-eyed scad. See Goggler. (c) The friar skate. [ Scot. ] (d) The cigar fish, or round robin. [ 1913 Webster ]