Body of soldiers (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">body of soldiers</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for troop that I've seen before include "Military unit" , "Proto (anag.)" , "Gang" , "Group of, eg, monkeys" , "March" .)
(Other definitions for corps that I've seen before include "army band" , "Army unit" , "Branch of an army" , "Large army group" , "Military body" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">body of soldiers</span>' is the definition.<br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for regiment that I've seen before include "Section of an army" , "Group of battalions" , "Military group" , "Force under colonel" , "Part of an army" .)