Opposite angles made by two lines cutting or crossing each other, and are always equal. (See angle of the vertical.)
·noun ·pl An ancient Low German tribe, that settled in Britain, which came to be called Engla-land (...
Webster's Dictionary of the English Language
·noun Vertical position; zenith. II. Vertical ·noun A vertical line, plane, or circle. III. Vertic...
That great circle which passes through the zenith and the east and west points of the horizon. ...
The Sailor's Word-Book
Great circles of the sphere intercepting each other in the zenith and nadir, and cutting the horizon...
In artillery, that directed upward at such an angle as that it will fall vertically, or nearly so, t...
The centre of displacement is also that of the centre of vertical force that the water exerts to sup...
See orthographic projection. ...
See bevelling. ...
The difference between the geographical and geocentric latitudes of a place upon the earth's surface...