资料来源 : pyDict

第三桅上帆

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Skysail \Sky"sail\, n. (Naut.)
   The sail set next above the royal. See Illust. under {Sail}.

资料来源 : WordNet®

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