Meanings
- Inuit mythologyhuman sciencesThe Inuit goddess of the sea and marine animals.
Sedna began to enjoy keeping all the sea creatures away from the humans by tucking them into her now miles-long hair.
2018, Tanya Tagaq, Split Tooth, And Other Stories (2023), page 87 - astronomya dwarf planet whose eccentric detached orbit is wholly beyond the Kuiper belt.
Scattered beyond the Kuiper Belt is a disk of objects such as Eris and Sedna.
2007, C. Murray, David Brodie, Ice, Rock, and Beauty: A Visual Tour of the New Solar System, page 322 more examples
Brown clicked on a button to have the computer calculate just how far away the object was, and came up with a distance farther than Pluto, even farther than Sedna: about 97 AU. Then he ran some quick calculations to estimate how big the object was, assuming that it was as reflective as Sedna.
2009, Alan Boyle, The Case for Pluto: How a Little Planet Made a Big Difference, page 1062010, Rodney S. Gomes, Jean S. Soares, Sedna, 2004 VN112 and 2000 CR105: the tip of an iceberg, Julio A. Fernández, Daniela Lazzaro, Dina Prialnik, Rita Schulz (editors), Icy Bodies of the Solar System: Proceedings of the 263rd Symposium of the International Astronomical Union (IAU S263), page 67, We review two main scenarios that may have implanted Sedna, 2004 VN112 and 2000 CR105 on their current peculiar orbits.
Synonyms: 90377 Sedna, 90377, 2003 VB12, 2003 VB12 Sedna, 90377 2003 VB12, 90337 (2003 VB12) Sedna
Synonyms & antonyms
proper nouna dwarf planet whose eccentric detached orbit is wholly beyond the Kuiper belt.
proper nounEllipsis of Sedna Planitia: a plain on the planet of Venus
Origin
- Inuktitutᓴᓐᓇ“Inuit goddess, Mother of the Sea”
- EnglishSedna
Borrowed from Inuktitut ᓴᓐᓇ (sanna, “Inuit goddess, Mother of the Sea”). The dwarf planet and the planitia are named after the goddess.
More words from Inuktitut
Full word history & related roots →Translations
Arabic سدنا
- سدنا (sadnā)planetoid
Chinese Mandarin 賽德娜 /赛德娜
- 賽德娜 /赛德娜planetoid
Czech Sedna
- Sednaplanetoid
Dutch Sedna, Sedna
- Sednaa goddess
- Sednaplanetoid
Esperanto Sedno, Sedno
- Sednoa goddess
- Sednoplanetoid
Estonian Sedna
- Sednaplanetoid
Finnish Sedna
- Sednaplanetoid
French Sedna, Sedna
- Sednaa goddess
- Sednaplanetoid
German Sedna
- Sednaplanetoid
Greek Σέντνα
- Σέντνα (Séntna)planetoid
Hindi सेडना
- सेडना (seḍnā)planetoid
Indonesian Sedna
- Sednaplanetoid
Italian Sedna
- Sednaplanetoid
Japanese セドナ
- セドナ (Sedona)planetoid
Korean 세드나
- 세드나 (sedeuna)planetoid
Latin Sedna
- Sednaa goddess
Latvian Sedna
- Sednaplanetoid
Lithuanian Sedna
- Sednaplanetoid
Norwegian Sedna
- Sednaplanetoid
Persian سدنا
- سدنا (sednâ)planetoid
Polish Sedna, Sedna
- Sednaa goddess
- Sednaplanetoid
Portuguese Sedna, Sedna
- Sednaa goddess
- Sednaplanetoid
Russian Се́дна, Се́дна
- Се́дна (Sédna)a goddess
- Се́дна (Sédna)planetoid
Slovak Sedna
- Sednaplanetoid
Swedish Sedna
- Sednaplanetoid
Thai เซดนา
- เซดนา (sed nā)planetoid
Turkish Sedna
- Sednaplanetoid
Rhymes & wordplay
Anagrams
Cite this entry
Sedna. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Sedna
“Sedna.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sedna. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “Sedna,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Sedna.
Source: Sedna on Wiktionary, CC BY-SA 4.0.