Escargots (6)
I believe the answer is:
snails
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">escargots</span>' is the definition.<br/ ><span class="explanation-format__explanation">('snail' can be a synonym of 'escargot')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for snails that I've seen before include "oath" , "Slugs with shells" , "Soft-bodied animals with spiral shells, common in garden" , "'To the French, they're escargots (6)'" , "Slow-moving slugs" .)