stalking horse
noun /ˈstɔːkɪŋ hɔːs/
/ˈstɔːkɪŋ hɔːrs/
[singular]- a person or thing that is used to hide the real purpose of a particular course of action
- a politician who competes against the leader of their party in order to see how much support the leader has; a stronger candidate can then compete against the leader more seriously
Word Originearly 16th cent.: from the former practice of using a horse trained to allow a fowler (hunter of wildfowl) to hide behind it, or under its coverings, until within easy range of prey.