'Spritsail' definitions:

Definition of 'spritsail'

(from WordNet)
noun
A fore-and-aft sail extended by a sprit

Definition of 'Spritsail'

From: GCIDE
  • Spritsail \Sprit"sail\ (spr[i^]t"s[=a]l; among seamen spr[i^]t"s'l), n. (Naut.) (a) A sail extended by a sprit. (b) A sail formerly hung under the bowsprit, from the spritsail yard. [1913 Webster]