sphenoid bone

noun

A compound bone at the base of the skull behind the eyes in humans and various other animals.

Similar
sphenoidos sphenoidale

Meanings

nounsphenoid bone (plural sphenoid bones)

plural sphenoid bones

  1. A compound bone at the base of the skull behind the eyes in humans and various other animals.

Synonyms & antonyms

nounbutterfly-shaped bone at the base of the skull

Similar
sphenoidos sphenoidale
Broader
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinos sphēnoīdeum
  2. Englishsphenoid bone

Calque of Latin os sphēnoīdeum.

Full word history & related roots →

Translations

Bulgarian клиновидна кост
  • клиновидна кост (klinovidna kost)sphenoid bone
Catalan os esfenoide
  • os esfenoidesphenoid bone
Czech klínová kost
  • klínová kostsphenoid bone
Esperanto sfenoido
  • sfenoidosphenoid bone
Estonian kiilluu
  • kiilluusphenoid bone
Finnish kitaluu
  • kitaluusphenoid bone
French os sphénoïde
  • os sphénoïdesphenoid bone
German Keilbein
  • Keilbeinsphenoid bone
Hebrew עצם היתד
  • עצם היתד (étzem haYatéd)sphenoid bone
Hungarian ékcsont
  • ékcsontsphenoid bone
Japanese 蝶形骨
  • 蝶形骨 (chōkeikotsu)sphenoid bone
Latin os sphēnoīdeum
  • os sphēnoīdeumsphenoid bone
Polish kość klinowa
  • kość klinowasphenoid bone
Portuguese esfenoide
  • esfenoidesphenoid bone
Romanian sfenoid
  • sfenoidsphenoid bone
Russian клиновидная кость, сфеноид
  • клиновидная кость (klinovidnaja kostʹ)sphenoid bone
  • сфеноид (sfenoid)sphenoid bone
Spanish esfenoide
  • esfenoidesphenoid bone
Swedish kilben
  • kilbensphenoid bone
Vietnamese xương bướm
  • xương bướmsphenoid bone
Cite this entry
APA

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

MLA

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

Chicago

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

Source: sphenoid bone on Wiktionary, CC BY-SA 4.0.