2) The large tree of choice in rural. southern US towns in which racists hang Niggers.
Eli: "Hey Peyton. Want to hang out with LeBron and Dwayne under the Nigger Tree today at lunch?"
Peyton: "I'd love to Eli but I gotta say that's probably a poor choice in judgment given how all those Niggers cut up and cause such a ruckus under the Nigger Tree. Let's just see them after school at practice."
Definition #2 used in a sentence:
Vincent: "Hey guys, what should we do with this dead nigger?"
Jules: "I don't know how I ended up in your scene defining a Nigger Tree but I'm gonna roll with it cuz I'm not the dead Nigger."
Jimmie: "Does my house say Dead Nigger Storage on it? No, I don't think it does! Why don't you two motherfuckers go hang him on the local Nigger Tree."