Float along (5)
I believe the answer is:
drift
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">float along</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 drift that I've seen before include "Snow heaped up by wind" , "General idea (of snow?)" , "General meaning or flow" , "Go with the flow" , "Coast" .)