locust tree

Meanings

1. A carob tree (Ceratonia siliqua).
2. Any of a number of similar looking trees in the genera Gleditsia and Robinia.
3. A honey locust (Gleditsia triacanthos), a leguminous tree with pods having a sweet, edible pulp.
4. A black locust (Robinia pseudoacacia), a leguminous tree with toxic pods, but useful for making honey.
5. An African locust bean tree (Parkia biglobosa).

Etymology

Named after the "locusts" said to have been eaten by John the Baptist, based on the theory that they were really carob pods.