What is the meaning of Ingress?

The act of entering.

A permission to enter.

A door or other means of entering.

The entrance of the Moon into the shadow of the Earth in eclipses, or the Sun's entrance into a sign, etc.

To intrude or insert oneself

To enter (a specified location or area)

To enter into a zodiacal sign

To manifest or cause to be manifested in the temporal world; to effect ingression

an opening paragraph (between a newspaper headline and the article)

Source: wiktionary.org