Dinner
Supper
noun
The night meal is the meal you eat at night. That is dinner.
ばんごはん
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.
今日の晩ご飯のオカズは、天日干しで作ったカレイの干物です。
Tonight's supper is salted, sun-dried flounder.
晩ご飯の前に、ビールを一気にグビッと飲み干しました。
Before the dinner, I drank down a glass of beer in one gulp.
晩ご飯の後の散らかった台所を見て、コウイチは気が狂いそうだった。
Koichi almost went insane when he saw how messy the kitchen was after supper.