mater

名词 mater:

1. an informal use of the Latin word for mother; sometimes used by British schoolboys or used facetiously

形容词 mat:

1. not reflecting light; not glossy
   同义词：flat, mat, matt, matte, matted

1. A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.
   大脑绒被从软膜和大脑皮层之间穿过的极细的小血管形成的网
2. Say no bilge water about the mater.
   在这个问题上别说废话。