mushroom

noun

Any of various fungi that produce a fleshy fruiting body, especially one consisting of a stalk with an umbrella-shaped cap.

noun

Any of such fungi that are edible, especially the widely cultivated species Agaricus bisporus.

noun

The usually aboveground fruiting body of any of such fungi.

noun

One of these fruiting bodies that produce hallucinations when ingested.

noun

Something shaped like one of these fungi.

intransitive verb

To multiply, grow, or expand rapidly.

intransitive verb

To swell or spread out into a shape similar to a mushroom.

intransitive verb

To collect wild mushrooms.

adjective

Relating to, consisting of, or containing mushrooms.