Answer: topgallant

AnswerCrossword Clue
TOPGALLANTClipper feature
TOPGALLANTMast on a square-rigger
topgallantA sail set on such a mast
topgallantthe mast or sail above the topmast and below the royal mast
topgallantThe section of a square-rigged sailing ship's mast immediately above the topmast