sibbaldius borealis

1 definition found

sibbaldius borealis - Collaborative International Dictionary of English v.0.48 :

  Sulphur-bottom \Sul`phur-bot"tom\, n. (Zool.)
     A very large whalebone whale of the genus Sibbaldius,
     having a yellowish belly; especially, Sibbaldius sulfureus
     of the North Pacific, and Sibbaldius borealis of the North
     Atlantic; -- called also sulphur whale.
     [1913 Webster]