SG Heritage Dictionary

Right whale Webster's Dictionary 1913

1. The bowhead, Arctic, or Greenland whale (Balaena mysticetus), from whose mouth the best whalebone is obtained.

2. Any other whale that produces valuable whalebone, as the Atlantic, or Biscay, right whale (Balaena cisarctica), and the Pacific right whale (B. Sieboldii); a bone whale.