Give a nudge to (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">give a nudge to</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>
(Other definitions for prod that I've seen before include "Spur or goad" , "Poke - remind" , "Poke, stimulate into action" , "Poke with forefinger, stimulate" , "Stimulus" .)