noun
carob
KAIR-ub/ˈkærəb/
A Mediterranean tree bearing sweet edible pods.
Broken carob pods reveal brown pulp beside a bowl of powder.

Etymology
The Arabic word already named the locust bean pod. English carob names both the Mediterranean tree and its sweet pod, which is used as a chocolate substitute.
In context
carob is from the pea family its seeds are dried roasted and ground into carob powder which is used as a chocolate substitute