关防

Traditional form:

關防

Pinyin (reading):

guānfáng

Definitions:

• security measures (esp. border security)
• official seal (esp. military seal during Qing and Ming times)

Characters:

• 关 - frontier pass; to close, to shut; relation
• 防 - to protect, to defend, to guard against

Traditional characters:

• 關 - frontier pass; to close, to shut; relation
• 防 - to protect, to defend, to guard against