Military grouping (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">military grouping</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 division that I've seen before include "Section of organisation" , "Difference of opinion" , "Mathematical act for a body of troops." , "Formal vote in Parliament" , "Arithmetic operation" .)
(Other definitions for unit that I've seen before include "Module" , "Whole - group" , "Part of a kit" , "A single self-contained item" , "Mexican maize pancake" .)