Definitions

1. noun

A type of plant, typically a type of wormwood, used in herbal medicine for its antispasmodic and antiseptic properties.

“The herbalist recommended lightwort to alleviate the patient’s muscle spasms.”

2. noun

A type of aquatic plant, particularly a species of aquatic wormwood.

“The pond was filled with various aquatic plants, including lightwort and water lilies.”