contouring

/K AA1 N T UH0 R IH0 NG/
verb
  1. 1

    To form a more or less curved boundary or border upon.

  2. 2

    To mark with contour lines.

  3. 3

    To practise the makeup technique of contouring.

noun
  1. 1

    The construction of contour lines through a matrix of points each having a known value of some variable

  2. 2

    A technique in makeup using blush and bronzing powder to define contours on the face

  3. 3

    The building up of muscles with exercise

  4. 4

    Walking along contour lines, usually to save energy or simplify navigation

Source: https://en.wiktionary.org/wiki/contour, https://en.wiktionary.org/wiki/contouring