The phrase "first shipment" refers to the initial delivery of goods or products. It represents the first batch of items being sent or transported to a destination. Full definition
The company has a goal of 15,000 buyers before first shipments go out. (pocketnow.com)
Below, I'll review the items I received with my very first shipment! (dressedfortime.com)
The Apple HomePod joined the smart - speakers battle on Friday, with first shipments of the device landing in people's living rooms and kitchens. (musically.com)