interlock

Plural: interlocks

Noun

• a device that prevents an automotive engine from starting
  • "car theives know how to bypass the ignition interlock"
• the act of interlocking or meshing
  • "an interlocking of arms by the police held the crowd in check"
• A safety device that prevents activation in unsafe conditions.

Verb

• coordinate in such a way that all parts work together effectively
• hold in a locking position
• become engaged or intermeshed with one another
• To fit or clasp together securely.
• To interlace.

Examples

• The demonstrator couldn't figure out why the machine wouldn't work, until he remembered that there was an interlock so it wouldn't operate with the cover open.

Synonyms

ignition interlock, interlace, interlocking, lock, mesh, meshing