投とう棄きTop 8000MeaningsNounSuru verbTransitive verb1. abandonment; giving up; throwing away; disposal; dumpingKanji used投throw棄discardPitch accentとうきUsed in vocabulary海かい洋よう投とう棄きdumping at seaNoun海かい洋よう投とう棄き規き制せい条じょう約やくConvention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter (1972); London ConventionNoun不ふ法ほう投とう棄きillegal dumping; fly-tippingNoun