Tumbler (7)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tumbler</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for acrobat that I've seen before include "Performer of great agility and coordination" , "circus artiste" , "Athletic type" , "Tumbler" , "Boat car (anag.)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tumbler</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for glass that I've seen before include "Balloon, say" , "Something to drink from" , "barometer" , "Drinking vessel" , "Calm lake may be compared to this" .)