Definition of contouring in US English:

contouring

noun

  • The technique or practice of using makeup, typically foundation or bronzer, in such a way as to accentuate or enhance the shape or structure of the face.

    ‘a smoldering smoky eye and heavy contouring’
    as modifier ‘finish by using an angled contouring brush to shade your nose’

Pronunciation

contouring

/ˈkänˌto͝oriNG//ˈkɑnˌtʊrɪŋ/