VAPOUR LOCK as NOUN

  1. Meaning
    • a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
    Synonym(s) Hypernyms(s) vapour lock is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower