The arc of
the horizon between the true east or west point and the center of the sun,
or a star, at its rising or setting. At the rising, the amplitude is
eastern or ortive: at the setting, it is western, occiduous, or occasive.
It is also northern or southern, when north or south of the equator.
The horizontal line which measures
the distance to which a projectile is thrown; the range.
The extent of a movement
measured from the starting point or position of equilibrium; -- applied
especially to vibratory movements.
An angle upon which the value of
some function depends; -- a term used more especially in connection with
elliptic functions.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
