[7] hrosshvalr (m.) ‘horse-whale’: Cf. OE horshwæl, ModGer. Walross ‘walrus’, and hence the same as rostungr (st. 1/7 above). In Kgs (Holm-Olsen 1983, 16), hrosshvalr is not identified as ‘walrus’, rather, it is described as a fabulous malicious whale, dangerous to men (cf. rauðkembingr ‘red-crest’, st. 1/6). Grágás also distinguishes ros hval (= hrosshvalr), which is unfit for human consumption, from rosmal (= rosmhvalr) ‘walrus’, whose flesh may be eaten except on fasting days (Grg Ia, 36; Bugge 1883, 20-1).