门

Traditional (Taiwan): 門

On the HSK 2 vocabulary list, at CEFR level A1.

mén ㄇㄣˊ

- gate door doorway gateway opening
- valve switch other door-like or gate-like structure
- way to do sth knack method approach
- family household lineage
- sect school faction (religious or academic)
  bound form
- class category division phylum
  bound form
- classifier for courses, fields of study, branches of technology, relatives by marriage, guns etc
- -gate (scandal)
  suffix
- surname Men

门 is a 部首 (bùshǒu), a radical. A Chinese dictionary files every character under one of them, and this one files 54 under 门. Look a character up by the 门 radical