noun
semi-medium vehicle license
Abbreviation of 準中型自動車免許. A Japanese driver's license category for vehicles with a gross vehicle weight of 3.5–7.5 tons and a maximum load capacity of 2–4.5 tons, introduced in 2017.
準中型免許を取れば、引っ越し用のトラックも運転できます。
If you get a semi-medium vehicle license, you can also drive moving trucks.
Compound of 準 (semi-), 中型 (medium-sized), and 免許 (license). The term was introduced with the 2017 revision of Japan's Road Traffic Act.