from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See blue whale.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative spelling of sulfur-bottom.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. The sulphur-bellied whale of the Pacific, a rorqual, Balænoptera (or Sibbaldius) sulphurea. Also sulphur-whale.
Sorry, no etymologies found.