What is the meaning of Ingressive?

Going or directed inward, entering.

Open to entry or examination.

Uttered by drawing air inward through the mouth or nose.

Aspectually indicating that an action is about to be entered or is in the process of being entered.

Being a source or channel through which water enters or once entered an area.

A speech sound in which the air stream is created by drawing air in through the mouth or nose.

feminine plural of ingressivo

Source: wiktionary.org