1. 浇灭(火)
If you douse a fire, you stop it burning by pouring a lot of water over it.

2. (把液体)浇（或洒、泼）在…上
If you douse someone or something with a liquid, you throw a lot of that liquid over them.

3. 熄灭(灯)
If you douse a light, you turn it off.

1. cover with liquid
pour liquid onto

e.g. souse water on his hot face

Synonym: drenchdowsesoaksopsouse

2. slacken

e.g. douse a rope

Synonym: dowse

3. lower quickly

e.g. douse a sail

4. immerse briefly into a liquid so as to wet, coat, or saturate

e.g. dip the garment into the cleaning solution
dip the brush into the paint

Synonym: dunkdipsouseplunge

5. dip into a liquid

e.g. He dipped into the pool

Synonym: dipduck

6. wet thoroughly

Synonym: dowse

7. put out, as of a candle or a light

e.g. Douse the lights

Synonym: put out