a property of polygons: the property of having equal sides and equal angles
"The architects admired the perfect regularity of the octagonal dome, where every side and angle matched exactly to create such a harmonious structure."
the quality of being characterized by a fixed principle or rate
"he was famous for the regularity of his habits"
The condition or quality of being regular
"The nurse praised the patient's remarkable regality in taking his medication every four hours without fail."