horse mushroom

American  

noun

1. a smooth, edible, large white-capped mushroom, Agaricus arvensis, that has the odor of anise, common in North American meadows and fields.

---

horse mushroom British  

noun

1. a large edible agaricaceous field mushroom, Agaricus arvensis, with a white cap and greyish gills

---

Etymology

Origin of horse mushroom

First recorded in 1865–70

Example Sentences

“The most common mushroom near me is something called the yellow stainer,” he told The Verge, “and it looks just like an edible horse mushroom from above and the side.”

From The Verge

The horse mushroom has pink gills and may be found from June to September.

From Project Gutenberg

Edible.—The field mushroom, or horse mushroom, Agaricus arvensis, grows in fields or pastures, sometimes under trees and in borders of woods.

From Project Gutenberg

But the very large variety, commonly called horse mushrooms, should not be eaten.

From Project Gutenberg