noun
subsidy; protection money
Refers to financial support provided by a government or organization to protect a domestic industry, or more broadly, money paid for protection. The specific meaning depends on context.
政府は農業に保護金を出している。
The government provides subsidies to agriculture.
地元産業を守るための保護金が支給された。
Protection money was granted to safeguard local industries.
Compound of 保護 (ほご, 'protection') and 金 (きん, 'money').