The date on which a pregnant woman is expected to give birth.
The date by which a book (or other item) borrowed from a library must be returned.
The date by which a task is supposed to be completed.
The date of payment in financial arrangements.
An instance of menstruation, the part of each month during which a fertile woman menstruates.
The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates.