locust locust /ˈloʊkəst/

noun

1. () Migratory grasshoppers of warm regions having short antennae  ( locust )
   migratory grasshoppers of warm regions having short antennae
     The swarm of locusts descended upon the crops, causing widespread devastation.
   The swarm of locusts descended upon the crops, causing widespread devastation.
   
   
2. Any of various hardwood trees of the family Leguminosae  ( locust , locust tree )
   any of various hardwood trees of the family Leguminosae
   
   
3. Hardwood from any of various locust trees  ( locust )
   hardwood from any of various locust trees
    The deck was constructed using locust because of its renowned durability.
   The deck was constructed using locust because of its renowned durability.