It used to be called "two bits".
A quarter
1/4 is a fourth or a quarter
You can call them top-heavy.
There is no special name for that. You could call it "5000 square meters".
one fourth of circle
A quarter
It is called a cent,
This is a quarter.
a quarter? or two bits?
Another name for Rub al Khali is the Empty Quarter
A quarter
Penny, nickel, dime, quarter, half dollar, dollar.
One 25thOne Quarter
QUARTER
a quarter after two?
A "quarter" is the slang name for a 25-cent coin in both the US and Canada, because 25 cents is one-fourth of a dollar.
If you mean another word for "Quarter Horse", there aren't any others. A Quarter Horse is a breed of horse.