mater
US
UK mater n: UK, humorous, Latin (mother) (非正式，幽默)
SC 老妈，老娘 lǎo mā ，lǎo niáng
Ask the mater and see if she's receptive to the idea.
alma mater n: Latin ([sb]'s old school, university, etc.)
SC 母校 mǔ xiào
Her alma mater was Bennington College in Vermont.
dura mater, dura n: (anatomy: membrane)
SC 硬脑膜
SC 硬脑脊膜