Found 1 items, similar to S borealis.
English → English (gcide) Definition: S borealis Sulphur-bottom \Sul`phur-bot"tom\, n. (Zo["o]l.) A very large whalebone whale of the genus Sibbaldius, having a yellowish belly; especially, S. sulfureus of the North Pacific, and S. borealis of the North Atlantic; -- called also sulphur whale. [1913 Webster]