Definition of feeler noun from the Oxford Advanced American Dictionary

 

feeler

 noun
noun
NAmE//ˈfilər//
 
[usually plural]
 
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  • either of the two long, thin parts on the heads of some insects, and some animals that live in shells, that they use to feel and touch things with synonym antenna
  • Idioms
    put out feelers(informal)
     
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    to try to find out what people think about a particular course of action before you do it The government has put out some feelers to gauge people's reactions to the plan.
    See the Oxford Advanced Learner's Dictionary entry: feeler