Map collection (5)
I believe the answer is:
atlas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">map collection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for atlas that I've seen before include "Collection of maps" , "Book of geography" , "The first cervical vertebra" , "African mountain range" , "Supporter of the classics" .)