DictionarydecoyDeceptive lure
noun / verb

decoy

dih-KOY/dʌkˈɔɪ/

A person or thing used to lure or mislead, or to lure or mislead using one.

The inflatable tank acts as a decoy, drawing surveillance away from the real tank.

An inflatable dummy tank draws a surveillance drone away from a real tank concealed nearby.
Etymology

The word referred to a swindler and then to something that lures a victim into a snare; a diversion retains that misleading attraction. A proposed connection with Dutch kooi, “cage,” remains uncertain.

In context

Mr. Mason's U.S. History Channel11:20
they positioned their aircraft carriers to the north as a decoy hoping Hy would go after them then their Battleship task forces would attack the US invasion Fleet
USS Intrepid

More examples

  • The empty truck served as a decoy.
  • They decoyed the guards away from the entrance.
  • Several decoys distracted the pursuing aircraft.

Forms

decoy · decoys · decoyed · decoying

Similar words

lure
Emphasizes attracting rather than substituting a misleading target.
bait
Bait attracts a target without necessarily imitating something else.