ischium

English

Etymology

17th century, from Latin ischium, from Ancient Greek ἰσχίον (iskhíon, “hip joint”).

Pronunciation

• (UK) IPA^(key): /ˈɪskɪəm/
• (General American) IPA^(key): /ˈɪskiəm/

Noun

ischium (plural ischia)

1. (anatomy) The lowest of the three bones that make up each side of the pelvis. [from 17th c.]
   • 1953, Samuel Beckett, Watt, 1st American edition, New York, N.Y.: Grove Press, published 1959, →OCLC:

     And he still carried, after five or six years, and though he dressed it in a mirror night and morning, on his right ischium a running sore of traumatic origin.

Coordinate terms

• ilium
• pubis

Derived terms

• ischiadic
• ischial
• ischiatic

Translations

the lowest of three bones of the pelvis

• Catalan: isqui (ca) m, ísquium m
• Chinese:

  Mandarin: 坐骨 (zh) (zuògǔ)

• Dutch: zitbeen n
• Finnish: istuinluu (fi)
• French: ischion (fr) m
• German: Sitzbein (de) n, Ischium n
• Hungarian: ülőcsont (hu), ülőgumó (hu)
• Japanese: 坐骨 (ja) (ざこつ, zakotsu)
• Kurdish:

  Northern Kurdish: hestiyê qûnê

• Portuguese: ísquio m
• Russian: седа́лищная кость (ru) f (sedáliščnaja kostʹ)
• Serbo-Croatian: sednjača f
• Spanish: isquion m
• Volapük: skiad

See also

• bone

Latin

Pronunciation

• (Classical) IPA^(key): /ˈis.kʰi.um/, [ˈɪs̠kʰiʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈis.ki.um/, [ˈiskium]

Noun

ischium n (genitive ischiī or ischī); second declension

1. Alternative form of ischion

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	ischium	ischia
Genitive	ischiī ischī1	ischiōrum
Dative	ischiō	ischiīs
Accusative	ischium	ischia
Ablative	ischiō	ischiīs
Vocative	ischium	ischia

¹Found in older Latin (until the Augustan Age).