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

Thus, by similarity of form we have brain coral, organ-pipe coral, mushroom coral, staghorn coral, etc.

From Wealth of the World's Waste Places and Oceania by Gilson, Jewett Castello

We clung to the reef as best we could, and succeeded in reaching a coral "mushroom" that was just a wash.

From A Modern Buccaneer by Boldrewood, Rolf