Synonyms for Interlock (same or very similar meaning)
WordNet sense 1 (a device that prevents an automotive engine from starting):
ignition interlock
WordNet sense 2 (hold in a locking position):
interlace, lock
WordNet sense 3 (coordinate in such a way that all parts work together effectively):
mesh
WordNet sense 4 (the act of interlocking or meshing):
interlocking, meshing
From the ODE community, based on WordNet
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