ˈhæmərˌwɜrt

Definitions

1. noun

A plant of the genus Veronica, especially the periwinkle (V. persica).

“The garden was filled with periwinkles, also known as hammerworts.”

2. noun

A plant of the genus Veronica, especially the speedwell (V. persica).

“The speedwell, or hammerwort, grew rapidly in the spring.”