A person or thing that takes the place of another; a substitute. noun.

What is an example of replacement?

"We need complete replacement of the roof." "He is her permanent replacement." "She would be the ideal replacement." "I got a hip replacement surgery."

What is the replacement means?

1 : the act of putting back, taking the place of, or substituting : the state of being put back or substituted. 2 : substitute entry 1. replacement. noun.