Swathe (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swathe</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 envelop that I've seen before include "Enclose" , "Give all-round cover" , "Hide" , "Compass" , "Surround completely" .)
(Other definitions for bandage that I've seen before include "Wound binding" , "Bind (a wound)" , "Material for wound or injury" , "medical cover" , "Wrapping for wound" .)