po-, poo-, -poa- +

In botany, a large genus of plants known as meadow grasses.

In botany, the grass family.

In botany, belonging to the plant family Poaceae: The thin and poaceous stems of the meadow grass swayed to and fro in the breeze while the couple were taking a stroll in the early evening hours.

In botany, a meadow plant.

Pertaining to meadows.

Living in meadows.

A form of life that lives in meadows: Poophiles are animal species that prefer dwelling in meadows, like the caterpillars and crickets.

In biology, pertaining to a creature that thrives in meadows: Two poophilous animals are the earthworm and European hare, both of which prefer meadow life.

A meadow plant.