'Catboat' definitions:

Definition of 'catboat'

(from WordNet)
noun
A sailboat with a single mast set far forward

Definition of 'Catboat'

From: GCIDE
  • Catboat \Cat"boat`\, n. (Naut.) A small sailboat, with a single mast placed as far forward as possible, carring a sail extended by a gaff and long boom. See Illustration in Appendix. [1913 Webster]