say it: FEE-lur
feeler is a noun meaning "one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste". It carries 4 recorded senses.
a tentative suggestion designed to elicit the reactions of others
“she rejected his advances”
sensitivity similar to that of a receptor organ
“he had a special antenna for public relations”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for feeler come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.