Interconnected group (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">interconnected group</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 network that I've seen before include "(Eg, railway) system" , "broadcasting group" , "Consonant like f, th" , "Organisation" , "Group of transport routes" .)
(Other definitions for nexus that I've seen before include "Unsex (anag.); a bond" , "Connecting bond" , "Connecting band" , "Bond, connected group" , "line" .)