Definition of "ornamental" in English

adjective

1. Serving as an ornament; having no purpose other than to make more beautiful.

   • Some think it most ornamental to wear their bracelets on their wrists; others, about their ankles.

2. (of a plant, fish, etc.) Bred for aesthetic or decorative purposes.

   • Those pine trees on the lawn are the fastest-growing ornamentals we could find.

noun

1. An ornamental plant.