Definify.com
Webster 1913 Edition
Nadir
Na′dir
(nā′dẽr)
, Noun.
1.
That point of the heavens, or lower hemisphere, directly opposite the zenith; the inferior pole of the horizon; the point of the celestial sphere directly under the place where we stand.
2.
The lowest point; the time of greatest depression.
The seventh century is the
nadir
of the human mind in Europe. Hallam.
Nadir of the sun
(Astron.)
, the axis of the conical shadow projected by the earth.
Crabb.
Webster 1828 Edition
Nadir
NADIR
,Noun.
1.
Natara, to be like, proportional, corresponding to, opposite.2.
That point of the heavens or lower hemisphere directly opposite to the zenith; the point directly under the place where we stand.