Any of numerous grasshoppers of the family Acrididae, often migrating in immense swarms that devour vegetation and crops.
The seventeen-year locust.
Any of several North American deciduous trees of the genus Robinia, especially R. pseudoacacia, having compound leaves, drooping clusters of fragrant white flowers, and durable hard wood.
Any of several similar or related trees, such as the honey locust or the carob.