tu
- A musical note in the solfège system, representing the second note of the diatonic scale in fixed-do solfège. nounIn the solfège system, 'tu' is used to denote the second note of the scale.The choir practiced singing the scale, starting with 'do' and moving to 'tu'.
- An informal term used in some dialects to refer to a person, similar to 'you'. pronounHey, tu! Come over here for a second.Tu need to finish your homework before going out.