Rachel Green is Monica's best friend from high school and therefore a key member of the group of Friends.  Rachel stars off as a waitress at the Central Perk where the gang hangs out, but later becomes a buyer at Bloomingdale's.

Rachel dates Ross on and off throughout the series and the two eventually have a baby girl, Emma, at the end of season eight.

Rachel Green Quotes

Joey: (Wearing an old-looking hat) Hey.
Monica: Hey.
Rachel: Hey. Well, look at you, finally got that time machine working, huh?
Joey: Seriously, you like it? This guy was selling them on 8th avenue and I looked at them and I though, you know what I don't have?
Monica: A mirror?
Joey: Fine, make fun. I think it's jaunty.

Want a wedding dress? Hardly used.

Rachel

Friends Quotes

Joey: (Wearing an old-looking hat) Hey.
Monica: Hey.
Rachel: Hey. Well, look at you, finally got that time machine working, huh?
Joey: Seriously, you like it? This guy was selling them on 8th avenue and I looked at them and I though, you know what I don't have?
Monica: A mirror?
Joey: Fine, make fun. I think it's jaunty.

Monica: What's "PLEH?"
Joey: That's help spelled backwards so that the helicopters can read it from the air!
Monica: Ah...what's doofus spelled backwards?