fenks

from The Century Dictionary.

• noun The ultimate refuse of whale-blubber.

from the GNU version of the Collaborative International Dictionary of English.

• noun The refuse whale blubber, used as a manure, and in the manufacture of Prussian blue.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The refuse whale blubber, used as a manure, and in the manufacture of Prussian blue.