in the fourth place
coming next after the third and just before the fifth in position or time or degree or magnitude
one of four equal parts
following the third position; number four in a countable series
the musical interval between one note and another four notes away from it
a quarter of the circumference of a circle
a measuring instrument for measuring altitude of heavenly bodies
any of the four areas into which a plane is divided by two orthogonal coordinate axes
the area enclosed by two perpendicular radii of a circle
