Trek (4)
(Other definitions for plod that I've seen before include "Tread wearily" , "Walk heavily and wearily" , "Noddy's police constable" , "Walk doggedly" , "coppers?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">trek</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hike that I've seen before include "Walking tour" , "Increase cost" , "Trek" , "Long, hard walk" , "Long ramble" .)
(Other definitions for star that I've seen before include "See 21" , "Distant sun" , "Celebrated performer" , "A .... called Henry (Roddy Doyle)" , "Five-pointed celestial body" .)