Wide-mouthed jug (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wide-mouthed jug</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 ewer that I've seen before include "Jar for water" , "Jug with wide spout" , "A wide-mouthed water-jug" , "Were (anag)" , "water-carrier" .)