This is the 7703rd most frequent Turkish word.
jennifer
The word "Jennifer" is not Turkish; it is an English-origin name. It does not have a specific definition in Turkish.
Here, 'Jennifer' is used as a proper noun referring to a specific individual's name.
Jennifer çok güzel bir şarkıcıdır.
Jennifer is a very beautiful singer.
In this context, 'Jennifer' is used possessively by adding the suffix '-in' to indicate that the concert belongs to her.
Jennifer'in konserine gitmeyi düşünüyorum.
I am thinking of going to Jennifer's concert.
Here, 'Jennifer' is mentioned as the name of an individual described in a general statement identifying a friend's name.