coning

/K OW1 N IH0 NG/
verb
  1. 1

    To fashion into the shape of a cone.

  2. 2

    To form a cone shape.

  3. 3

    (frequently followed by "off") To segregate or delineate an area using traffic cones

Source: https://en.wiktionary.org/wiki/cone, https://en.wiktionary.org/wiki/coning