noun
half-track vehicle
Technical term for a military or heavy-duty vehicle with wheels at the front and tracks at the rear.
旧日本軍は半装軌車をいくつか運用していた。
The former Japanese military operated several half-track vehicles.
Compound of 半 (half), 装軌 (tracked, from 装備 + 軌道), and 車 (vehicle). The term is a direct calque of English 'half-track'.