What is "tetrapla"

Tetrapla \Tet"ra*pla\, n.;

Note: etymologically pl., but syntactically sing. [NL., fr. Gr. tetraplo`os, tetraploy^s, fourfold.] A Bible consisting of four different Greek versions arranged in four columns by Origen; hence, any version in four languages or four columns.

n. 1 A Bible consisting of four different Greek versions arranged in four columns by http://en.wikipedia.org/wiki/Origen 2 Any version in four languages or four columns