We found one dictionary that defines the word hopper cars:

General (1 matching dictionary)

1. hopper cars: Wiktionary

Opposite: boxcars, tank cars, flatcars, gondolcars Types: gondolcars, boxcars, flatcars, tank cars, coil cars, piggyback cars, container cars, more... ▸ Words similar to hopper cars ▸ Usage examples for hopper cars ▸ Idioms related to hopper cars ▸ Wikipedia articles (New!) ▸ Words that often appear near hopper cars ▸ Rhymes of hopper cars ▸ Invented words related to hopper cars