Definitions for "Taiji"
"Supreme ultimate" a Daoist philosophical concept connecting the primordial state (wu chi) to the two antithetical forces of yin and yang
also written tai-chi, an ancient Chinese philosophical term meaning "Great Ultimate", "Great Extreme". It first appeared in the Yi Jing ( Book of Changes) where it is explained that Taiji is the point or line from where Yin-Yang are generated. Yin-Yang are the two aspects or sides of one unity.
the yin-yang symbol or diagram that depicts a great, eternally turning circle (the Tao) in which the complementary energies of yin and yang turn about each other. Within this cycle of alternating energy all things can be produced. The familiar Taiji symbol did not come into existence until the Song dynasty (see Taiji diagram).