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