ˈin.tɚ.leɪs mɛʃ mɛʃ the act of interlocking or meshing an interlocking of arms by the police held the crowd in check coordinate in such a way that all parts work together effectively become engaged or intermeshed with one another They were locked in embrace hold in a locking position He locked his hands around her neck a device that prevents an automotive engine from starting car thieves know how to bypass the ignition interlock