Retriever (noun)

1. A type of dog that is trained to retrieve game or other objects.
2. A person or thing that retrieves something.

Origin:

From the word "retrieve" meaning "to bring or get back something that has been lost or taken away".

Examples:

1. The retriever retrieved the duck and brought it back to the hunter.
2. The retriever was trained to pick up and return the ball.
3. The retriever was a popular breed among hunters.
4. The file retriever software was able to restore the lost data.
5. The email retriever program was able to recover the deleted messages.