the world > movement > motion in a certain direction > downward motion > move downwards [verb (intransitive)] > swoop or spring down (4)
transferred and figurative of persons or things.
transitive. Of an animal, bird, etc.: to seize (prey) with claws or talons; to swoop down on and grab. to pounce away: to spring upon and carry…
To pounce upon a person or thing. rare.
intransitive. To make a rapid sweeping descent through the air upon its prey, as a bird.