main topgallant

main topgallant

n.
A sail or yard set from the topgallant section of a mainmast.
References in periodicals archive ?
RIGGERS have removed the main topgallant mast from Nelson's flagship HMS Victory as part of major renovation works.
Riggers remove the main topgallant mast from Nelson''s flagship HMS Victory at Portsmouth''s Historic Dockyard
Suddenly there was a terrifying noise as the main topgallant mast came crashing down.