1A boxed meal (bento) prepared to be carried and eaten later; can be homemade or store-bought. 'お' adds a polite/friendly tone to the base word 弁当.
今日は忙しいからコンビニでお弁当を買おう。
I'm busy today, so I'll buy a bento at the convenience store.
遠足には母が作ったお弁当を持って行った。
I took the bento my mother made with me on the school trip.
駅弁は旅先の名物を使った美味しいお弁当だ。
Ekiben (station bento) is a delicious bento using local specialties from the travel destination.
毎朝、子どものお弁当を作るのが私の日課だ。
Making my child's bento every morning is my daily routine.