第だい三さん種しゅ郵ゆう便びん物ぶつMeaningsNoun1. third-class mailOther spellings第だい3さん種しゅ郵ゆう便びん物ぶつUsage share unknownKanji used第ordinal number三three種seed郵mail便convenience物thingPitch accentだいさんしゅゆうびんぶつComposed of第だいprefix for forming ordinal numbersPrefix三さん種しゅthree kinds; three varietiesNoun郵ゆう便びんmail service; postal service; mail; post; postal matter; postal itemsNoun物ぶつstock; productsNoun