0 a whistle used to train dogs, with a very high sound that humans cannot hear
1 a remark, speech, advertisement, etc. by a politician that is intended to be understood by a particular group, especially one with feelings of racism or hatred, without actually expressing these feelings:
2 used to describe political messages that are intended to be understood by a particular group, especially one with feelings of racism or hatred, without actually expressing these feelings:
dog-whistle tactics