/neɪˈdɪə(ɹ)/
noun
The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation.The lowest point; time of greatest depression.The axis of a projected conical shadow; the direction of the force of gravity at a location; down.An empty box added beneath a full one in a beehive to give the colony more room to expand or store honey.verb
To extend (a beehive) by adding an empty box at the base.