What is the meaning of Adumbration?

The state of being in shadow or shade; a shadow.

A faint sketch; a brief representation, an outline.

  1. The supposed practice of displaying only outline of a charge (image displayed on an escutcheon), sometimes filled in with a darker shade than the field.

The supposed practice of displaying only outline of a charge (image displayed on an escutcheon), sometimes filled in with a darker shade than the field.

A rough or symbolic representation; a vague indication of what is to come, a foreshadowing.

The form of an object as seen by an observer.

Source: wiktionary.org