locustˈa noun (pl locustˈae /-ē/)

1. A grass spikelet
2. (with cap) a genus of grasshoppers of the family Locustˈidae (not usu classed as locusts)

locust bean noun

The carob bean

locust bird noun

Any of several pratincoles that feed on locusts

locust tree noun

1. The carob
2. The false acacia (Robinia pseudo-acacia) or its wood
3. A large West Indian tree (Hymenaea courbaril) of the Caesalpinia family, with buttress roots, valuable wood, and bark exuding resin

loˈcust-years plural noun

Years of poverty and hardship (used by Winston Churchill, after an expression in the Old Testament, Joel 2.25)