'Metabasis' definitions:

Definition of 'Metabasis'

From: GCIDE

Metabasis \Me*tab"a*sis\, n.; pl. Metabases. [NL., fr. Gr. ?, fr. ? to pass over; ? beyond, over + ? to go.]
1. (Rhet.) A transition from one subject to another. [1913 Webster]
2. (Med.) Same as Metabola. [1913 Webster] Metabola