Approaching from two directions (6)
I believe the answer is:
stereo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">approaching from two directions</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for stereo that I've seen before include "Three dimensional sound effect" , "In-depth" , "System of sound reproduction" , "Audio system, hi-fi" , "Music-playing equipment giving depth of sound" .)