Definition of "Swoop" :

noun: a swift descent through the air

noun: a very rapid raid

noun: (music) rapid sliding up or down the musical scale

"The violinist was indulgent with his swoops and slides."

verb: seize or catch with a swooping motion

verb: move down on as if in an attack

"The raptor swooped down on its prey."

verb: move with a sweep, or in a swooping arc