noun
large feast; big meal
Colloquial noun for a lavish or abundant meal, often used in casual conversation.
今夜は大ご馳走を食べに行こう。
Let's go out for a big feast tonight.
祖母が来ると、いつも大ご馳走を作ってくれる。
Whenever my grandmother visits, she always cooks a huge meal for us.
Full kanji spelling; very rare and may be considered ateji or overly formal.
Compound of 大 (おお, 'big') + ご馳走 (ごちそう, 'feast'). The reading おおごちそう is standard; だいごちそう is a less common alternative reading.