interlock

Noun

• the act of interlocking or meshing
  • an interlocking of arms by the police held the crowd in check
    

• a device that prevents an automotive engine from starting
  • car theives know how to bypass the ignition interlock
    

Verb

• become engaged or intermeshed with one another
  • They were locked in embrace
    

• hold in a locking position
  • He locked his hands around her neck
    

• coordinate in such a way that all parts work together effectively

Related words

• Synonyms: 
  mesh , meshing , interlocking , ignition interlock , lock , interlace