The Collaborative International Dictionary
Engaging and disengaging gear
Engaging \En*ga"ging\, a. Tending to draw the attention or affections; attractive; as, engaging manners or address. -- En*ga"ging*ly, adv. -- En*ga"ging*ness, n.
Engaging and disengaging gear or Engaging and disengaging machinery, that in which, or by means of which, one part is alternately brought into gear or out of gear with another part, as occasion may require.