A time, set out in advance, at which an important decision is to be made or a nemesis is to be confronted
Exactly noon; midday (when the sun is at its highest).
The zenith or apex of one's life or of a certain activity or era.
To extend (a beehive) by adding an empty box at the base.
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.
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.