Definition of altitudes:
(n) :
The absolute height of a location, usually measured from sea level.
(n) :
A vertical distance.
(n) :
(astronomy) The angular distance of a heavenly body above our Earth's horizon.
(n) :
Height of rank or excellence; superiority.
(n) :
Highest point or degree.
(n) :
(geometry) The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex.