Part of the mouth (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the mouth</span>' is the definition.<br/ ><span class="explanation-format__explanation">(lips are part of the mouth)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lip that I've seen before include "giving such insincere service" , "In slang, impudent talk" , "Rim of an orifice" , "Brim" , "It can be read" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the mouth</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 roof that I've seen before include "Top covering of structure" , "Top outside covering" , "Housetop" , "Upper permitted limit" , "Part of mouth" .)