Meaning of Cannibalize :
The act of removing reusable parts from a damaged machine/equipment, for utilization in some repair work
Marketing context : A decline in the sales of an older product due to introduction of a new or upgraded product model by the same/competing vendor.
Use Cannibalize in a sentence examples :
With the introduction of iPad, Apple may cannibalize its own sales of iPhone and iPod
It is wise to dismantle & cannibalize consumer electronics before dumping them after their product life expiry.