Moonsail
Pronunciation : Moon"sail`
Part of Speech : n.
Definition : Defn: A sail sometimes carried in light winds, above a skysail. R. H. Dana, Jr.
(Naut.)
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder