A lobster trap is a device used to catch lobsters for commercial purposes. There are various synonyms for this term, such as lobster pot, crustacean trap, crawfish trap, or crawdad trap. The design and construction of lobster traps vary depending on the type of lobster being targeted and the fishing location. They can be made from materials such as wood, mesh, or wire, and have different shapes and sizes. Some other common synonyms for a lobster trap include crab pot, shrimp trap, and fish trap. The use of these traps is regulated by local and state laws to ensure the sustainability of lobster populations and protect marine ecosystems.