Locusts are large insects that live mainly in hot countries. They fly in large groups and eat crops.
locust in British English
(ˈləʊkəst)
noun
1.
any of numerous orthopterous insects of the genera Locusta, Melanoplus, etc, such as L. migratoria, of warm and tropical regions of the Old World, which travel in vast swarms, stripping large areas of vegetation
See also grasshopper (sense 1), Compare seventeen-year locust
2. Also called: locust tree, false acacia
a North American leguminous tree, Robinia pseudoacacia, having prickly branches, hanging clusters of white fragrant flowers, and reddish-brown seed pods
3.
the yellowish durable wood of this tree
4.
any of several similar trees, such as the honey locust and carob
Derived forms
locust-like (ˈlocust-ˌlike)
adjective
Word origin
C13 (the insect): from Latin locusta locust; applied to the tree (C17) because the pods resemble locusts
locust in American English
(ˈloʊkəst)
noun
1.
any of various large grasshoppers; specif., a migratory grasshopper often traveling in great swarms and destroying nearly all vegetation in areas visited
2.
seventeen-year locust
3.
a.
a spiny tree (Robinia pseudoacacia) of the pea family, native to the E or Central U.S. and having long pendulous racemes of fragrant white flowers