'Mater' definitions:
Definition of 'mater'
From: WordNet
noun
An informal use of the Latin word for mother; sometimes used by British schoolboys or used facetiously
Definition of 'Mater'
From: GCIDE
- Mater \Ma"ter\, n. [L., mother. See Mother.] See Alma mater, Dura mater, and Pia mater. [1913 Webster]