Protuberances (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">protuberances</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lumps that I've seen before include "Compact masses" , "Chunks" , "Clods or swellings" , "Puts up with" .)