feeler — OET · Shobdo

feeler

noun

1 the fish has two feelers at the front of the head:

antenna, tentacle, horn;

whisker, hair, barb;

tactile organ, sensory organ;

technical palp, palpus, pedipalp, antennule, tactor.

2 (usually feelers) the prime minister put out feelers to members of other parties:

tentative inquiry, tentative proposal, tentative suggestion;

advance, approach, overture, appeal;

probe, trial balloon;

French ballon d'essai.

feeler Oxford Dictionary of English