Dictionary.net

An ancient mode of writing, in alternate directions, one line from left to right, and the next from right to left (as fields are plowed), as in early Greek and Hittite.

An ancient mode of writing, in alternate directions, one line from left to right, and the next from right to left (as fields are plowed), as in early Greek and Hittite.

An ancient mode of writing from right to left, and then from left to right, as in ploughing.