/vərˈrukɛəriə/; vər-ROO-ky-ruh-ree-uh

Definitions

1. noun

A genus of lichens, typically with a crustose or squamulose thallus, and often with a verrucous or warty surface.

“The scientist studied the various species of verrucaria found in the mountainous region.”

2. noun (plural only)

Species of the genus Verrucaria, often used as lichens in decorative rockwork or as a component of moss gardens.

“The gardener carefully arranged the verrucaria on the rock wall to create a visually appealing display.”