Home › Words › P › piloerectorpiloerectorpiloerector means A muscle responsible for piloerection.EtymologyFrom pilo- + erector.nounA muscle responsible for piloerection.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.piloerection 74% match — The erection of hairs or papillae. vs piloerector →pilomotor 71% match — Relating to the goose flesh reflex. vs piloerector →arrector 63% match — Synonym of erector. vs piloerector →pilus 56% match — A hair. vs piloerector →piliferous 55% match — Containing or producing hair. vs piloerector →horripilate 55% match — To bristle in fear or horror; to have goose bumps or goose pimples. vs piloerector →epaxial 54% match — Located above and behind an axis (typically a midline) vs piloerector →piliform 54% match — Resembling hair. vs piloerector →