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PlainSpell

arethusa

noun

arethusa is a noun meaning “A bog orchid, Arethusa bulbosa, sole species of the genus Arethusa, having a magenta flower; the dragon's mouth” (English Wiktionary, September 2026). It is spelled A-R-E-T-H-U-S-A, and it appears about once in every 15 million words in written English (wordfreq, 2021 data). The plural of arethusa is arethusas.

What does arethusa mean?

noun

  1. 1

    A bog orchid, Arethusa bulbosa, sole species of the genus Arethusa, having a magenta flower; the dragon's mouth.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of arethusa

  • arethusas plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is arethusa?

Arethusa appears about once in every 15 million words in written English, the 117,098th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).