Eg, insect's antenna (6)

I believe the answer is:

feeler

(Other definitions for feeler that I've seen before include "Antenna or cautious proposal" , "Tentative proposal (to test someoneOs attitude)" , "Tentative proposal to gauge response; antenna" , "Antenna or cautious suggestion" , "Tendril or tentacle" .)

I've seen this clue in The Times.

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