arrector C2 Topic:The Human Body US /əˈrɛktər/ UK /əˈrektə/ See IPA manual Meanings 1 noun an erector muscle; especially one of the tiny arrector pili muscles that raise a hair Each arrector pili muscle contracts when the skin forms goose bumps. Thesaurus Synonyms 1 noun · an erector muscle;... erector Word family Forms arrectores Etymology From Latin arrigō (“to raise, erect”). Topics The Human Body External links Cambridge Dictionary Wiktionary Google Images # arrector **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /əˈrɛktər/ **IPA (UK):** /əˈrektə/ ## Meanings 1. an erector muscle; especially one of the tiny arrector pili muscles that raise a hair ## Examples - Each arrector pili muscle contracts when the skin forms goose bumps. ## Synonyms - erector ## Etymology From Latin arrigō (“to raise, erect”). ## Topics - The Human Body markdown