gas line

Short definition from Wiktionary

Noun

1. 1
   A pipe or hose connecting a gas appliance to the main supply of natural gas for the apartment, office or building.
2. 2
   A queue out of a service station where people in automobiles wait their turn to make a purchase of gasoline.
3. 3
   A pipeline used to transport natural gas.
4. 4
   The tubing that carries gasoline in a vehicle from the gas tank to the engine.