something in a company’s financial or legal structure that is intended to make it difficult for another company to take control of it 毒丸计划〔指公司在财务或法律结构上反收购的一个策略〕
Examples from the Corpus
poison pill• Mackenzie put a poison pill into place, which gave the company 60 days to find another suitor.• On Wednesday, they threatened to withdraw support for a minimum wage boost if the so-called poison pill amendment passed.• And a firm's environmental history has emerged as another potential poison pill no-one wants to swallow.