mold

noun

Loose friable soil, rich in humus and fit for planting.

noun

The earth; the ground.

noun

The earth of the grave.

noun

Earth as the substance of the human body.

noun

Any of various filamentous fungi that grow on and contribute to the decay of organic matter.

noun

A growth of such fungi.

noun

Any of various other saprophytic or parasitic organisms that resemble fungi, such as slime molds or water molds.

intransitive verb

To become moldy.