A vegetable gum extracted from the seeds of the carob (locust beans) and used as a food additive; chemically, it is a galactomannan.

A seed of the carob tree.

A North American deciduous tree (Gleditsia triacanthos) having fragrant flowers, hard red wood, and conspicuous thorns.

A kind of beetle, Megacyllene robiniae, that feeds as a larva on black locust trees in eastern North America.

(botany) The spikelet or flower cluster of grasses

plural of black locust

A tree, Robinia pseudoacacia, in the subfamily Faboideae of the pea family Fabaceae, native to the southeastern United States, but widely planted and naturalized elsewhere in temperate North America, Europe and Asia; considered an invasive species in some areas.

Resembling or characteristic of a locust.

plural of locusta

(rare) black locust