lower

Sense 1 noun

the lower of two berths

Sense 2 verb

move something or somebody to a lower position

take down the vase from the shelf

Sense 3 verb

set lower

lower a rating

Sense 4 verb

make lower or quieter

turn down the volume of a radio

Sense 5 verb

cause to drop or sink

The lack of rain had depressed the water level in the reservoir

Sense 6 verb

look angry or sullen, wrinkle one's forehead, as if to signal disapproval