Below are possible answers for the crossword clue Defining line.
7 letter answer(s) to defining line
CONTOUR
a feature (or the order or arrangement of features) of anything having a complex structure; "the contours of the melody"; "it defines a major contour of this administration"
a line drawn on a map connecting points of equal height
any spatial attributes (especially as defined by outline); "he could barely make out their shapes"
form the contours of
Other crossword clues with similar answers to 'Defining line'