peroneus longus

UK/pɛ.ɹə(ʊ)ˌniː.əs ˈlɒŋ.ɡəs/US/ˌpɛɹ.əˌni.əs ˈlɔŋ.ɡəs/

noun

A muscle of the lateral side of the leg which arises from the head and side of the fibula, ends in a long tendon that inserts on to the cuneiform and first metatarsal bones on the medial side via a long tendon passing under the foot, and serves to extend the ankle and evert the foot.

Meanings

nounperoneus longus (plural peronei longi)

plural peronei longi · alternative peronaeus longus

  1. anatomyA muscle of the lateral side of the leg which arises from the head and side of the fibula, ends in a long tendon that inserts on to the cuneiform and first metatarsal bones on the medial side via a long tendon passing under the foot, and serves to extend the ankle and evert the foot.

    Synonyms: fibularis longus

Synonyms & antonyms

nounA muscle of the lateral side of the leg which arises from the head and side of the fibula, ends in a long tendon that inserts on to the cuneiform and first metatarsal bones on the medial side via a long tendon passing under the foot, and serves to extend the ankle and evert the foot.

Origin

  1. New Latinperoneus longus
  2. Englishperoneus longus

Borrowed from New Latin peroneus longus, clipping of mūsculus peroneus longus (“long peroneal muscle”).

Full word history & related roots →

Translations

Chinese Mandarin 腓骨長肌 /腓骨长肌
  • 腓骨長肌 /腓骨长肌 (féigǔchángjī)muscle
Latin peroneus longus, mūsculus peroneus longus
  • peroneus longusmuscle
  • mūsculus peroneus longusmuscle
Cite this entry
APA

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

MLA

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

Chicago

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

Source: peroneus longus on Wiktionary, CC BY-SA 4.0.