Dental term for how the upper and lower teeth meet. Also used in everyday contexts to refer to one's bite.
The dentist told me my bite is misaligned.
I improved my occlusion through orthodontic treatment.
meshing; engaging (of gears)
Mechanical term for gears fitting together. Also used metaphorically for things working in harmony.
The gears are not meshing properly.
The team is starting to work well together.