# Margaret

/ˈmɑɹɡɝɪt/ (US) · CEFR C2 · Noun

Source: https://englishreference.com/word/margaret
Updated: 2026-08-15

## Definition

one of the many moons that circles the planet Uranus. It is very small and dark, and it was named after a character from a play by William Shakespeare.

For teachers: a small, irregular natural satellite of the planet Uranus, discovered in 2003. It is notable for its highly eccentric and prograde orbit, which is unique among the irregular moons of the planet.

## Examples

- Astronomers use powerful telescopes to study Margaret and other moons.
- Among the irregular satellites of Uranus, Margaret stands out because its orbit is unusually oval-shaped compared to its neighbors.
- The discovery of Margaret provided planetary scientists with new data regarding the gravitational capture of irregular satellites during the early formation of the outer solar system.

## Usage notes

- As a proper noun in an astronomical context, it is always capitalized.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.