ˈ ̷ ̷ˌ ̷ ̷ noun
1.
a. : a net that is specially designed to be drawn along the bottom of a body of water : trawl
b. : a similar net used on the ground (as to capture small game)
2.
a. : a device for gathering objects usually of a certain kind in the mass
do not send out wholesale dragnets to collect opinions and data — A.T.Weaver
b. : a network of measures for apprehension (as of criminals)
suspects caught in the police dragnet