Anti-Takeover Measure

What Does Anti-Takeover Measure Mean?
Measures taken on a continual or sporadic basis by a firm's management in order to prevent or deter unwanted takeovers.

Investopedia explains Anti-Takeover Measure
Companies have many different options for preventing takeovers. Continuous provisions include stipulations in the corporate covenant and issues of participating preferred stock. The sporadic measures include the pac-man and macaroni defenses, among others.