/boks"kahr'/ , n.
1. Railroads. a completely enclosed freight car.
2. boxcars , a pair of sixes on the first throw of the dice in the game of craps.
adj.
3. Informal. extremely or disproportionately large: The business had boxcar profits during its first year.
[ 1855-60, Amer.; BOX 1 + CAR 1 ]