or split comet. After a soft break, large comets start to fall through the sky. Each comet then breaks with a sharp crack into smaller comets shooting in different directions crossing over themselves. Example

An effect that splits in the sky, for example a coloured star which then splits into four or five other coloured stars.

Splitting Comet.

The shoulder of a joggled keystone.

A return in one of the corners of the architrave of a door or window; -- called also ancon, ear, elbow.