dragnet

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a system of coordinated measures for apprehending (criminals or other individuals)
- caught in the police dragnet
• Hypernyms:
system, scheme
2. a conical fishnet dragged through the water at great depths
• Syn:
trawl, trawl net
• Derivationally related forms:
trawl (for: trawl)
• Hypernyms:
fishnet, fishing net