PYTHAGOREAN a. 2 definitions
r two sides. -- Pythagorean system (Astron.), the commonly received system of astronomy, first taught by Pythagoras, and afterward revived by Copernicus, whence it is also called the Copernican system. -- Pythagorean letter. See Y.
QUARTER n. 21 definitions
rent, becomes due. In matters influenced by United States statutes, quarter days are the first days of January, April, July, and October. In New York and many other places, as between landlord and tenant, they are the first days of May, August, November, and February. The quarter days usually recognized in England are…