swoop
verb
°to fly or glide downwards suddenly; to plunge (in the air) or nosedive.
"The lone eagle swooped down into the lake, snatching its prey, a small fish."
°to move swiftly, as if with a sweeping movement, especially to attack something.
"The dog had enthusiastically swooped down on the bone."
noun
°an instance, or the act of suddenly plunging downward.
"The quality of decision is like the well-timed swoop of a falcon which enables it to strike and destroy its victim. – Sun Tzu"
°an act of rushedly doing something.
"Fortune's a right whore. If she give ought, she deals it in small parcels, that she may take away all at one swoop. – John Webster"