Definition: Derived from '母校', this is a Kongish code-mixing term that refers to a school that a person has graduated from. ie. Alma mater.Usage: Well I’m a Catholic. I believe in what I have been taught when I was in my mother secondary school, Wah Yan Kowloon.Synonym: 母校Reference: https://www.inmediahk.net/node/政經/李家超透露是天主教徒-感謝「mother-secondary-school」教誨