Wiktionary
n. (context international commerce English) A standardized reusable steel box used for the storage and movement of materials and products within a freight transport system.
Wikipedia
A shipping container is a container with strength suitable to withstand shipment, storage, and handling. Shipping containers range from large reusable steel boxes used for intermodal shipments to the ubiquitous corrugated boxes. In the context of international shipping trade, "container" or "shipping container" is virtually synonymous with "(standard) intermodal freight container" (a container designed to be moved from one mode of transport to another without unloading and reloading).
Usage examples of "shipping container".
She was afraid he would take her to some horrible place, but it turns out he rented a whole shipping container, stacked way up high on one of the containerships in the Core.
It looked just like a plain flatbed semitrailer truck with a shipping container on the back.
And the shipping container was a type that would fit on an aircraft.
The buzzbomber had launched early instead of stepping away from the shipping container as he should've done.
After some debate, we settled on a canister sixteen feet in diameter and sixty feet long, big enough to take a standard shipping container and the truck it drove in on, or to comfortably seat fifty people, along with all of their luggage.
The shipping container, a steel box about the size of a mobile home, was brand new and slickly painted with the three-colored logo of Global Omni-present Delivery Services.