Office (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">office</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that office can be written as bureau)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bureau that I've seen before include "Chest of drawers or office" , "Wtiting desk" , "Office; writing desk" , "Writing desk with drawers" , "Ancient chipped flint" .)
(Other definitions for oval that I've seen before include "not quite round" , "sports ground" , "Like eggs" , "Easter gift" , "Squashed circle" .)