To move along with a rush; sweep; pass with pomp.To descend upon, or as if upon, prey suddenly from a height, as a hawk; stoop.To fall on at once and seize; dash upon and seize while on the wing: often with up: as, a hawk swoops a chicken; a kite swoops up a mouse.To seize; catch up; take with a sweep.n. The sudden pouncing of a rapacious bird on its prey; a falling on and seizing, as of a bird on its prey; hence, a sudden descent, as of a body of troops; a sweeping movement.