WordNet (r) 3.0 (2006):

Shua
    n 1: any branch of Shinto other than Kokka [syn: Shuha Shinto,
         Shua]

Easton's 1897 Bible Dictionary:

Shua
   wealth. (1.) A Canaanite whose daughter was married to Judah (1
   Chr. 2:3).

     (2.) A daughter of Heber the Asherite (1 Chr. 7:32).


Hitchcock's Bible Names Dictionary (late 1800's):

Shua, crying; saving