Definitions for "Horizontal plane"
(n) A principal orthographic plane of projection, used to define both the top and bottom orthographic views.
Divides the body into a superior (or upper) and an inferior (or lower) section.
A plane that extends perpendicular to the length of the body dividing it into superior and inferior portions. Also called transverse plane.
Keywords:  flat, even, surface, level
a flat, even, level surface
Keywords:  bottom, divides, top, organ, part
divides the body or organ horizontally into a top and bottom part.