门

mén ㄇㄣˊ

1. gate door doorway gateway opening (CL:扇[shan4])
2. valve switch other door-like or gate-like structure
3. way to do sth knack method approach
4. family household lineage
5. sect school faction (religious or academic)

   bound form

6. class category division phylum

   bound form

7. classifier for courses, fields of study, branches of technology, relatives by marriage, guns etc
8. -gate (scandal)

   suffix