Definitions

1. noun

A shrub or small tree of the genus Nerium, having showy pink or white flowers and toxic leaves.

“The gardener warned the children to stay away from the oleander in the backyard.”

2. noun

A plant of the genus Nerium, of the family Apocynaceae, having showy pink or white flowers and toxic leaves.

“The botanist studied the oleander species found in the tropical region.”