noun
boxcar; covered freight car
Technical term used in railway contexts. Refers to a freight car with a roof and sides, as opposed to an open wagon.
有蓋貨車は雨の日でも荷物を濡らさずに運べる。
A boxcar can transport goods without getting them wet even on rainy days.
無蓋貨車 is an open freight car without a roof, while 有蓋貨車 is a covered one.
Compound of 有蓋 (ゆうがい, 'covered') and 貨車 (かしゃ, 'freight car').