![tijuana tijuana](https://www.tekportal.net/wp-content/uploads/2018/11/tijuana.jpg)
noun
- a city in NW Mexico, on the Mexico-U.S. border.
noun
- a city in NW Mexico, in Baja California (Norte). Pop: 1 570 000 (2005 est)
from the name of a Diegueño (Yuman) village, written Tiajuan in 1829; deformed by folk-etymology association with Spanish Tia Juana “Aunt Jane.” City in Baja California Norte state, in northwestern Mexico just south of the California border near San Diego.