What is the meaning of Mater?

Mother.

A meninx; the dura mater, arachnoid mater, or pia mater of the brain.

Someone or something that mates.

Alternative form of 'mater (“tomato”).

title of an abbess

to checkmate

to suppress, quell (a revolution, person, insurrection)

to ogle, to check out, to watch (e.g. an attractive person)

mother (female parent)

mother (source, origin)

matron of a house

honorific title

woman

nurse

motherland

maternity, motherhood

alternative form of matere

present of mate

to kill

accusative singular of mati

alternative form of mati

mother

matter, affair

substance

Source: wiktionary.org