Definition of arethusa in English:
A pinkish-red North American wild orchid that grows in boggy ground. Also called dragon's mouth.
- Arethusa bulbosa, family Orchidaceae
- It is Arethusa, one of the Orchids and one of the most charming posies in the meadow lot.
- To hear a lovely bunch of the Arethusa called Swamp Pink is not so strange.
- This bog's stand of Arethusa is unusually large, and contains some rarities.