Meanings
proper noun
- astronomyA minor spiral arm of the Milky Way galaxy, containing the Solar System.
Meronyms: Earth < Solar System
1 more example
Holonyms: Milky Way, Milky Way Galaxy < Local Group < Virgo Supercluster < Laniakea < Universe
Synonyms: Orion Spur, Local Arm, Local Spur
Synonyms & antonyms
proper nounA minor spiral arm of the Milky Way galaxy, containing the Solar System.
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Also see
Translations
Polish Ramię Oriona
- Ramię Orionaspiral arm of the Milky Way containing the Solar System
Cite this entry
APA
Orion Arm. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Orion%20Arm
MLA
“Orion Arm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Orion%20Arm. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Orion Arm,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Orion%20Arm.
Source: Orion Arm on Wiktionary, CC BY-SA 4.0.