Sentence structure (6,4)
There are a few possibilities for this:
prison cell
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sentence structure?</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 prison that I've seen before include "No rips (anag)" , "Place of incarceration" , "Place of detention for criminals" , "punishment" , "Clink - jug" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sentence structure</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for syntax that I've seen before include "Grammatical rules" , "Rules governing formation of words into sentences etc" , "Grammatical word structure in sentences" , "Grammatical construction" , "The rules governing the arranging of words" .)
(Another definition for prison cell that I've seen is " place of convicts".)