A pushcart was a wheeled vehicle that could be loaded with items and pushed around.
In 1996, a homeless Captain Braxton kept his belongings in a pushcart, including a hockey stick. (VOY: "Future's End")
In 2152 a pushcart-like vehicle was used to transport equipment in the launch bay aboard Enterprise NX-01. (ENT: "The Catwalk")
An alien species on a planet in the Delta Quadrant also used pushcart-like vehicles to transport goods to and from the marketplace. (VOY: "Resistance")