Meanings
nouncoccyx (plural coccyges or coccyxes)
plural coccyges · plural coccyxes
- formalanatomyThe final (bottom-most) fused vertebrae at the base of the spine, the tailbone.
He lands on the concrete path and bounces on his coccyx, which cracks the base of his spine.
2018, Richard Powers, The Overstory, Vintage (2019), page 1291 more example
An actor herself, McAlpine was hands-on, demonstrating “how you penetrate” on screen: “If you can move your coccyx, just arch your back slightly, it looks fantastic,” she says happily. “Those orgy scenes were amazing.”
2024 January 30, Elle Hunt, “‘With orgasm people strive for oblivion’: Poor Things’ intimacy coordinator on consent, orgies and Emma Stone”, in The Guardian, →ISSNSynonyms: tailbone
Synonyms & antonyms
nounThe final (bottom-most) fused vertebrae at the base of the spine, the tailbone.
Similar
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Hellenic*kókkūks
- Ancient Greekκόκκῡξ (kókkūx)
- Latincoccyx
- Englishcoccyx
Borrowed from Latin coccyx, borrowed from Ancient Greek κόκκῡξ (kókkūx), referring to the curved shape of a cuckoo's beak when viewed from the side.
More words from Latin
Full word history & related roots →Translations
Ancient Greek κόκκυξ
- κόκκυξ (kókkux)(anatomy) fused vertebrae at the base of the spine
Arabic عُصُص, عُصْعُص
- عُصُص (ʕuṣuṣ)(anatomy) fused vertebrae at the base of the spine
- عُصْعُص (ʕuṣʕuṣ)(anatomy) fused vertebrae at the base of the spine
Bulgarian опашна кост
- опашна кост (opašna kost)(anatomy) fused vertebrae at the base of the spine
Catalan còccix
- còccix(anatomy) fused vertebrae at the base of the spine
Chinese Mandarin 尾骨, 尾骶骨
- 尾骨 (wěigǔ)(anatomy) fused vertebrae at the base of the spine
- 尾骶骨 (wěidǐgǔ)(anatomy) fused vertebrae at the base of the spine
- 尾閭骨 /尾闾骨 (wěilǘgǔ)(anatomy) fused vertebrae at the base of the spine
Czech kostrč
- kostrč(anatomy) fused vertebrae at the base of the spine
Danish haleben
- haleben(anatomy) fused vertebrae at the base of the spine
Dutch staartbeen, stuitje
- staartbeen(anatomy) fused vertebrae at the base of the spine
- stuitje(anatomy) fused vertebrae at the base of the spine
Esperanto kokcigo
- kokcigo(anatomy) fused vertebrae at the base of the spine
Finnish häntäluu
- häntäluu(anatomy) fused vertebrae at the base of the spine
French coccyx
- coccyx(anatomy) fused vertebrae at the base of the spine
German Coccyx, Steißbein
- Coccyx(anatomy) fused vertebrae at the base of the spine
- Steißbein(anatomy) fused vertebrae at the base of the spine
Greek κόκκυξ, ουρά
- κόκκυξ (kókkyx)(anatomy) fused vertebrae at the base of the spine
- ουρά (ourá)(anatomy) fused vertebrae at the base of the spine
Hungarian farkcsont, farokcsont
- farkcsont(anatomy) fused vertebrae at the base of the spine
- farokcsont(anatomy) fused vertebrae at the base of the spine
Icelandic rófubein
- rófubein(anatomy) fused vertebrae at the base of the spine
Indonesian tulang sulbi, tulang ekor
- tulang sulbi(anatomy) fused vertebrae at the base of the spine
- tulang ekor(anatomy) fused vertebrae at the base of the spine
- tulang tongkeng(anatomy) fused vertebrae at the base of the spine
- koksiks(anatomy) fused vertebrae at the base of the spine
Italian coccige
- coccige(anatomy) fused vertebrae at the base of the spine
Japanese 尾骨, 尾骶骨
- 尾骨 (bikotsu)(anatomy) fused vertebrae at the base of the spine
- 尾骶骨 (biteikotsu)(anatomy) fused vertebrae at the base of the spine
- 尾閭骨 (biryokotsu)(anatomy) fused vertebrae at the base of the spine
Korean 꼬리뼈
- 꼬리뼈 (kkorippyeo)(anatomy) fused vertebrae at the base of the spine
Lithuanian uodegikaulis
- uodegikaulis(anatomy) fused vertebrae at the base of the spine
Malay tulang sulbi, tulang ekor
- tulang sulbi(anatomy) fused vertebrae at the base of the spine
- tulang ekor(anatomy) fused vertebrae at the base of the spine
- tulang cenonot(anatomy) fused vertebrae at the base of the spine
- tulang kongkeng(anatomy) fused vertebrae at the base of the spine
- tulang tongkeng(anatomy) fused vertebrae at the base of the spine
- koksiks(anatomy) fused vertebrae at the base of the spine
Māori timu
- timu(anatomy) fused vertebrae at the base of the spine
Norwegian Bokmål haleben, halebein
- haleben(anatomy) fused vertebrae at the base of the spine
- halebein(anatomy) fused vertebrae at the base of the spine
Persian دنبالچه
- دنبالچه (donbâlče)(anatomy) fused vertebrae at the base of the spine
Polish kość guziczna, kość ogonowa
- kość guziczna(anatomy) fused vertebrae at the base of the spine
- kość ogonowa(anatomy) fused vertebrae at the base of the spine
Portuguese cóccix, mucumbu
- cóccix(anatomy) fused vertebrae at the base of the spine
- mucumbu(anatomy) fused vertebrae at the base of the spine
- curanchim(anatomy) fused vertebrae at the base of the spine
Romanian noadă
- noadă(anatomy) fused vertebrae at the base of the spine
Russian ко́пчик
- ко́пчик (kópčik)(anatomy) fused vertebrae at the base of the spine
Slovak kostrč
- kostrč(anatomy) fused vertebrae at the base of the spine
Spanish coxis, cóccix
- coxis(anatomy) fused vertebrae at the base of the spine
- cóccix(anatomy) fused vertebrae at the base of the spine
- rabadilla(anatomy) fused vertebrae at the base of the spine
- curcusilla(anatomy) fused vertebrae at the base of the spine
Swedish svanskota
- svanskota(anatomy) fused vertebrae at the base of the spine
Tagalog puil, tulatod
- puil(anatomy) fused vertebrae at the base of the spine
- tulatod(anatomy) fused vertebrae at the base of the spine
Thai ก้นกบ
- ก้นกบ (gôn-gòp)(anatomy) fused vertebrae at the base of the spine
Turkish kuyruk sokumu, kuyruk kemiği
- kuyruk sokumu(anatomy) fused vertebrae at the base of the spine
- kuyruk kemiği(anatomy) fused vertebrae at the base of the spine
Ukrainian ку́прик
- ку́прик (kúpryk)(anatomy) fused vertebrae at the base of the spine
Vietnamese xương cụt
- xương cụt(anatomy) fused vertebrae at the base of the spine
Cite this entry
APA
coccyx. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coccyx
MLA
“coccyx.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coccyx. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “coccyx,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coccyx.
Source: coccyx on Wiktionary, CC BY-SA 4.0.