Place to exchange vows (5)
I believe the answer is:
altar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">place to exchange vows</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for altar that I've seen before include "Where we will vow" , "A ceremonial table for worshipping" , "Consecrated table in church" , "Church focus for ritual" , "section of church" .)