White dove - angel of death, or peace?

I thought a white dove represented peace. My friend says a white dove means death. He says it's "the angel of death" can anyone clarify? or maybe ven explain where both theories came from? I had a dream that a white dove flew and landed on my finger. And it stayed there with me. I woke up... show more I thought a white dove represented peace.
My friend says a white dove means death. He says it's "the angel of death"

can anyone clarify?

or maybe ven explain where both theories came from?

I had a dream that a white dove flew and landed on my finger. And it stayed there with me. I woke up so upset that I didn't have the dove....

so.... peace? or death?
or something else?
and why

thanks!
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