Rosary piece (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rosary piece</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 bead that I've seen before include "Item on a necklace" , "Drop of moisture; holed piece of glass" , "Glass ball" , "bit off necklace, say" , "Small round piece of glass" .)