either of the two long thin parts on the heads of some insects and of some animals that live in shells that they use to feel and touch things with （某些昆虫和贝壳动物的）触角，触须
Idioms
put out feelers
- (informal)
to try to find out what people think about a particular course of action before you do it 试探 The government has put out some feelers to gauge people’s reactions to the plan. 政府已经试探了一下人们对该计划的反应。