n.
Function: conjunction
Date: 12th century
1 a : at, in, or to what place <knows where the house is> b : at, in, or to what situation, position, direction, circumstances, or respect <shows where the plan leads> c : the place or point at, in, or to which <couldn't see from where he was sitting> <kept that horse and gentled him to where I finally rode him ― William Faulkner>
2 : WHEREVER <goes where she likes>
3 a : at, in, or to which place <the town where she lives> b : at or in which <has reached the size where traffic is a problem> <two fireplaces where you can bake bread in the ovens ― Randall Jarrell>
4 a : at, in, or to the place at, in, or to which <stay where you are> <send him away where he'll forget> b : in a case, situation, or respect in which <outstanding where endurance is called for>
5 : THAT <I've read where they do it that way in some Middle Eastern countries ― Andy Rooney>