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вагон-ресторан stresses
gen.	restaurant car (КГА); dining car (AD); dining-car; buffet car; refreshment car; diner; dining car; feed-dare (NaMa@874)
amer.	bar car (rotbart)
Makarov.	dining saloon
railw.	bar lounge car (OlCher); dining and luncheon carriage; pantry car; cafeteria car; club car (babichjob); restaurant car (Alexander Demidov)
slang	Coney Island; dog-wagon
tech.	catering car; restaurant car (AD)

вагон-ресторан: 12 phrases in 4 subjects

American usage, not spelling	1
General	2
Idiomatic	1
Rail transport	8