速達郵便 そくたつゆうびん Meanings Noun special delivery mail; express delivery post Kanji 速 speed. Read as ソク. 達 reach. Read as タツ. 郵 mail. Read as ユウ. 便 mail. Read as ビン. Words containing 速達郵便 速達郵便サービス (そくたつゆうびんサービス) express mail service Jinuma: Japanese Dictionary · Word lists