'Whaleboat' definitions:

Definition of 'whaleboat'

(from WordNet)
noun
A long narrow boat designed for quick turning and use in rough seas

Definition of 'Whaleboat'

From: GCIDE
  • Whaleboat \Whale"boat`\, n. (Naut.) A long, narrow boat, sharp at both ends, used by whalemen. [1913 Webster]