arrector pili

noun

Any of the small muscles attached to hair follicles in mammals, the contraction of which causes the hairs to stand on end.

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Meanings

nounarrector pili (plural arrectores pilorum)

plural arrectores pilorum

  1. anatomyAny of the small muscles attached to hair follicles in mammals, the contraction of which causes the hairs to stand on end.

Origin

Latin.

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Cite this entry
APA

arrector pili. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/arrector%20pili

MLA

“arrector pili.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arrector%20pili. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “arrector pili,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/arrector%20pili.

Source: arrector pili on Wiktionary, CC BY-SA 4.0.