弁当箱 べんとうばこ Meanings Noun lunch box; bento box See also: お弁当 (おべんとう). Kanji 弁 speech. Read as ベン. 当 apply. Read as トウ. 箱 box. Read as はこ. Example sentences あれはトムのお弁当箱?Is that Tom's lunch box? メアリーは、帰りにパンを買うのを忘れないようにと書いたメモを、トムのお弁当箱に入れた。Mary put a note in Tom's lunchbox telling him not to forget to buy bread on his way home. Jinuma: Japanese Dictionary · Word lists