Move by small degrees (4)
I believe the answer is:
inch
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">move by small degrees</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for inch that I've seen before include "2.54 centimetres" , "Two point five four cm" , "Not very far" , "Just a bit?" , "Small Scottish island" .)