Conduits (8)
I believe the answer is:
channels
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">conduits</span>' is the definition.<br/ ><span class="explanation-format__explanation">('channel' can be a synonym of 'conduit')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for channels that I've seen before include "Passages for water or routes for communication" , "Television stations and passages of water" , "Straits" , "Official routes of communication" , "Parts that are deep enough for navigation by ships" .)