nountrademark , chiefly North American
An appointment diary or electronic organizer.
More example sentences
- The instructors all give you a syllabus and all your dates and everything so you put it in your daytimer and plan it like you would your job.
- If your daytimer is empty, try filling it up with recitals, although organizing your own show is a lot of hard work.
- The only tools he needs to conduct business are a daytimer, a typewriter and his brain.
Definition of daytimer in:
- The British & World English dictionary