[Of obscure origin.]
† 1. A lively young fellow. Obs.
1706. E. Ward, Wooden World Diss. (1708), 52. Hell often tell ye what a Sprag he was in the Days of Yore.
2. a. A young salmon.
1790. Grose, Prov. Gloss. (ed. 2), Suppl., Sprag, a young salmon.
1882. Day, Fishes Gt. Brit., II. 63. Salmon; from one to two years old it is known as sprag (Northumberland).
b. A young cod.
1875. F. T. Buckland, Log-Bk., 92. These sprags are a distinct species of Cod.
1886. Field, 23 Jan., 106/3. Sprags (half-grown cod), 2s. 6d. to 3s. each.