A*nab"a*sis (#), n. [Gr. , fr. to go up; up + to go.]
1.
A journey or expedition up from the coast, like that of the younger Cyrus into Central Asia, described by Xenophon in his work called "The Anabasis."
The anabasis of Napoleon.
De Quincey.
2. Med.
The first period, or increase, of a disease; augmentation.
[Obs.]
© Webster 1913.