cannibalizecan·ni·bal·ize /ˈkænəbəlaɪz/ (also cannibalise British EnglishBrE) verb [transitiveT]1MARKETING if one of a company’s new products cannibalizes an older one, it takes sales away from itHealthy Choice was a best seller without cannibalizing sales of its other frozen food brands.
2MANUFACTURING to take parts from one machine to use in another, for example to repair itBy the time the replacement part arrived, the helicopter had been cannibalized for spare parts.