1.b> 1) i> (), ( i>); the barn owl can swoop down on a mouse in total darkness i> ; huge birds swoop down from the sky / ; the eagle hovered, ready to swoop at any moment / , / i> ;
2) .i> (), ; ( i>); the aircraft swooped down over the buildings ; a helicopter suddenly swooped down / ;
2.b> (on) i> () / (.i> i>); police swooped at dawn and arrested the man i> ; armed police swooped on a flat after a tip-off ; police swooped as the gang came out of the bank i> , .