Search Result for "main-topsail": 
Wordnet 3.0

NOUN (1)

1. a topsail set on the mainmast; 



The Collaborative International Dictionary of English v.0.48:

main-topsail \main-topsail\ n.
   a topsail set on the mainmast.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

main-topsail
    n 1: a topsail set on the mainmast