Octapla \Oc"ta*pla\, prop. n.; etymol. pl., but syntactically
sing. [NL., fr. Gr. 'okta- (for 'oktw` eight) + -pla, as in
E. hexapla; cf. Gr. ? eightfold.]
A portion of the Old Testament prepared by Origen in the 3d
century, containing the Hebrew text and seven Greek versions
of it, arranged in eight parallel columns.
[1913 Webster]