Verse for children (7,5)
I believe the answer is:
nursery rhyme
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">verse for children</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nursery rhyme that I've seen before include "Traditional children's verse" , "Poem for children" , "Young children's verse" , "For example, bursary" , "Jack and Jill, for example" .)