Baby's cot (6)
I believe the answer is:
cradle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">baby's cot</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cradle that I've seen before include "One for rocking baby" , "Hold tenderly" , "The hand that rocks it rules the world, they say" , "Crib on rockers" , "early bed" .)