Board-game piece, perhaps (4)
I believe the answer is:
tile
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">board-game piece perhaps</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 tile that I've seen before include "Thin rectangular slab to cover surfaces" , "Scrabble piece" , "Flat piece of ceramic" , "Flat thin slab of clay, for example" , "Roof slabs" .)