What is the meaning of Locust_tree?

A carob tree (Ceratonia siliqua).

Any of a number of similar looking trees in the genera Gleditsia and Robinia.

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

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.

An African locust bean tree (Parkia biglobosa).

Source: wiktionary.org