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.

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horse mushroom British  

noun

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

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Etymology

Origin of horse mushroom

First recorded in 1865–70

Example Sentences

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

From Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. by Atkinson, George Francis

The mushrooms are generally of the common kind, grown from brick spawn, but occasionally a much larger and heavier sort is produced, and this is the "horse" mushroom.

From Mushrooms: how to grow them a practical treatise on mushroom culture for profit and pleasure by Falconer, William

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

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha