This primary meaning refers to vessels with a handle and narrow or open top for storing and pouring liquids.
The shelf contains several glass jugs.
They filled the jugs with cold water.
This use refers to larger commercial containers, often made of plastic or glass and closed with a cap.
They bought two jugs of drinking water.
The oil is delivered in plastic jugs.
This is the third-person singular form of jug and means putting liquid into a jug or similar container.
The worker jugs the milk before delivery.
She jugs the sauce and refrigerates it.
