(rare) black locust

Gleditsia aquatica, a tree found in swamps.

plural of locust borer

A honey locust (Gleditsia triacanthos), a leguminous tree with pods having a sweet, edible pulp. / A black locust (Robinia pseudoacacia), a leguminous tree with toxic pods, but useful for making honey.

plural of locust tree

plural of locust bean

rose-acacia

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

The periodical cicada.

Cultivars of the normally heavily thorned honey locust tree (Gleditsia triacanthos), known variously as Gleditsia triacanthos subsp. inermis (subspecies), Gleditsia triacanthos var. inermis (variety), or Gleditsia triacanthos f. inermis (form).