Ink absorber (8,5)
(Other definitions for blotting paper that I've seen before include "It absorbs ink" , "Ink drier" , "Absorber of ink" , "Ink-drying material" , "Ink soaker-upper" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ink absorber</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>
(Another definition for blotter that I've seen is " Desktop item".)