Source : Webster's Revised Unabridged Dictionary (1913)

Rearward \Rear"ward`\, n. [Rear + ward.]
   The last troop; the rear of an army; a rear guard. Also used
   figuratively. --Shak.

Rearward \Rear"ward\, a. & adv.
   At or toward the rear.

Source : WordNet®

rearward
     adj 1: directed or moving toward the rear; "a rearward glance"; "a
            rearward movement" [syn: {reverse}]
     2: located in or toward the back or rear; "the chair's rear
        legs"; "the rear door of the plane"; "on the rearward
        side" [syn: {rear(a)}, {rearward(a)}]
     n : direction toward the rear; "his outfit marched to the
         rearward of the tank divisions"
     adv : at or to or toward the back or rear; "he moved back";
           "tripped when he stepped backward"; "she looked
           rearward out the window of the car" [syn: {back}, {backward},
            {backwards}, {rearwards}] [ant: {forward}]