Sail support (4)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sail support</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mast that I've seen before include "nuts and seeds" , "Long vertical pole" , "Long upright pole that supports sails" , "One carries the sails of a ship" , "Spar to support a sail" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sail support</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for topmast that I've seen before include "Sail up here" , "High part of sailing ship" , "Part of square-rigged ship" , "high post" , "Sail-supporting section of a ship" .)