ORTHO- n.
ombining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal, orthodox, orthographic.
PACKING n.
herd packing (Bridge Building), the arrangement, side by side, of several parts, as bars, diagonals, a post, etc., on a pin at the bottom of a chord. Waddell. -- Packing box, a stuffing box. See under Stuffing. -- Packing press, a powerful press for baling cotton, wool, hay, etc. -- Packing ring. See Packing, 2 (c),…