noun
septic tank truck; honey wagon
A truck equipped with a vacuum pump used to collect and transport sewage or waste from septic tanks. The term is a wasei-eigo coinage from 'vacuum car'.
wasei-eigo (Japanese-coined English), from vacuum car
バキュームカーが来て、浄化槽の汚泥を吸い取っていった。
The septic tank truck came and sucked out the sludge from the septic tank.
Variant with interpunct; less common in everyday writing.
Wasei-eigo (Japanese-coined English) from 'vacuum' + 'car'. The term is not used in English with this meaning.