Yu n. : Jade.

Example:
Do Yu think if I do these things everyday I will get really good at soccer?

Taxonomy
YU, Housing, Yeshiva University, Museums, NIH Awards, Jewish Study, Dedication, Albert Einstein College of Medicine, Parents, Jacob, Glueck, Anthrax Vaccine, Schools, Studies Libraries, Jewish Living, Alumni Online Community, Undergraduate Science Research, September 29.

Defination from the web:
... Keep up to date about the H1N1 virus and get tips for staying healthy at YU's new Health Alerts Web site. Yamim Noraim on YUTorah ...