Strong and heavy in build (5)
I believe the answer is:
burly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strong and heavy in build</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for burly that I've seen before include "Big and sturdy" , "Sturdily built" , "Strong and heavy in build" , "Strongly and heavily built" , "Beefy" .)