1209150 jmdict A [id=2146742]
噛み合う；噛合う；かみ合う
かみあう
[1][v5u,vi]
  to engage (with); to be in gear (with); to mesh
[2][v5u,vi]
  to bite each other
[3][v5u,vi]
  [note="usu. neg."]
  to be on the same wavelength