the node through which an orbiting body passes as it moves to the south (opposed to ascending node).
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How to use descending node in a sentence
When passing to the north of the ecliptic, it is called the ascending node; when to the south of it, the descending node.Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained | Jane Haldimand Marcet and Thomas P. Jones
Rahu's head marks the ascending, Ketu, the tail, the descending node.The Astronomy of the Bible | E. Walter Maunder
If the moon is between her ascending and descending node, the correction is positive, and we take the larger arc.Outlines of a Mechanical Theory of Storms | T. Bassnett
It remained less than 2¼ hours north of the ecliptic, passing from the ascending to the descending node of its orbit in 2h 13m·4.Astronomical Curiosities | J. Ellard Gore
Moreover, they recur alternately at the ascending and descending node.