Giant Buddha Statue, Daibutsu, Great Buddha
noun
A large Buddha doesn't make sense if you don't know the context. There are giant statues of Buddha, and these are called Daibutsu, making this word translate to the Great Buddha or Giant Buddha Statue.
だいぶつ
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
その大仏の高さは約15メートルです。
The Great Buddha is about fifteen meters tall.
この大仏は、とても有名な大仏です。
This Great Buddha is very famous.
いや、大仏はゼッタイ見ておいた方がいいですよ。
No, you absolutely must see the Great Buddha.