1. the origin or basis of things
E.g.: 母型 (matrix, mold), 字母 (letter of an alphabet)
2. place of origin
E.g.: 母校 (alma mater), 母国 (motherland)
3. a place to return to; home base
E.g.: 母港 (home port)
4. mother
E.g.: 母堂 (honorable term for someone else's mother), 賢母 (wise mother)
5. wet nurse; nanny
E.g.: 乳母 (wet nurse), 保母 (nursery school teacher)
6. older female relative
E.g.: 伯母 (aunt - older than one's parent), 叔母 (aunt - younger than one's parent)
