Definitions

1. adjective

Allowing water or air to pass through; permeable

“The pervious pavement allowed rainwater to seep into the ground.”

2. noun

A substance, especially a rock or soil, that allows water to pass through it

“The pervious layer of soil helped to filter the water.”

3. verb

To allow water or air to pass through (something)

“The pervious action of the plant roots helped to aerate the soil.”