v. t. [ Motor + -ize. ] 1. To substitute motor-driven vehicles, or automobiles, for the horses and horse-drawn vehicles of (a fire department, city, etc.). [ archaic ] -- Mo`tor*i*za"tion n. [Webster 1913 Suppl.]
2. to equip (a piece of machinery) with a motor. [PJC]
3. to provide with automobiles or other motor vehicles; as, a motorized army division. Syn. -- mechanize. [PJC]