Search Result for "skysail": 
Wordnet 3.0

NOUN (1)

1. the sail above the royal on a square-rigger; 



The Collaborative International Dictionary of English v.0.48:

Skysail \Sky"sail\, n. (Naut.)
   The sail set next above the royal. See Illust. under Sail.
   [1913 Webster]


WordNet (r) 3.0 (2006):

skysail
    n 1: the sail above the royal on a square-rigger