| Main Entry: | button mushroom |
| Part of Speech: | n |
| Definition: | a young unopened white mushroom (Agaricus bisporus), cultivated for food and often sold canned or bottled; also called table mushroom |
| Example: | Good-quality button mushrooms are dry, have smooth, firm caps and are completely closed at the gills (the area where the stem joins the mushroom). |
| Etymology: | 1865 |
| Usage: | cooking |