Crossword Clue:

the engagement of gear teeth

AnswerCrossword Clue
MESHThe engagement of gear teeth.
COGSSets of gear teeth
PINIONGear with a small number of teeth
COGSGear teeth
COGSGear teeth.
SLIPPAGEGear teeth trouble
MESHESEngages, as gear teeth
MESHEngage, as gear teeth
MESHEngage as gear teeth,