v.
1.set lower
2.make lower or quieter
3.look angry or sullen, wrinkle one's forehead, as if to signal disapproval
Idiom of the Day
give off (something) or give (something) off
to release a smell or something, to produce a smell or something
The garbage was beginning to give off a bad smell because of the hot weather. The water began to give off steam when it began to boil.