Tonight's supper is salted, sun-dried flounder.
Before the dinner, I drank down a glass of beer in one gulp.
Koichi almost went insane when he saw how messy the kitchen was after supper.
The night meal is the meal you eat at night. That is dinner.
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.