Mere-swín

According to the Old English Dictionary:

es;

mere-swín

n. A sea-pig, porpoise, dolphin :-- Ðes mereswín hic delfin, Ælfc. Gr. 9, 14; Som. 9, 37: Wrt. Voc. ii. 26, 15: i. 281, 56. Mereswín bacharus, 281, 57: 65, 61: delphin vel bocharius vel simones, 55, 60. Mereswýn bacharus, 21, 46. Meresuín bacanius, ii. 102, 11. Ǽlc seldfynde fisc ðe weorðlíc byþ, styria and mereswýn, Cod. Dip. Kmbl. iii. 450, 28. Nim mereswínes fel, L. M. 3, 40; Lchdm. ii. 334, 1. Mereswýn and stirian delphinos et sturias, Coll. Monast. Th. 24, 9: Bd. 1, 1; S. 473, 17. [Icel. mar-swín: O. H. Ger. meri-suín: Ger. meerschwein dolphin, porpoise.] mere-swin