Also see definition of "rearward" in Bible Study Dictionaries
Word Study
rearward
CIDE DICTIONARY
rearward, n. [Rear + ward.].
The last troop; the rear of an army; a rear guard. Also used figuratively. Shak. [1913 Webster]
rearward, a. & adv.
At or toward the rear. [1913 Webster]
OXFORD DICTIONARY
rearward, n., adj., & adv.
--n. rear, esp. in prepositional phrases (to the rearward of; in the rearward).
--adj. to the rear.
--adv. (also rearwards) towards the rear.
--n. rear, esp. in prepositional phrases (to the rearward of; in the rearward).
--adj. to the rear.
--adv. (also rearwards) towards the rear.
Etymology
AF rerewarde = REARGUARD
THESAURUS
rearward
a rebours, a reculons, aft, after, aftermost, afterpart, afterpiece, against the grain, anticlockwise, arear, ass-backwards, astern, away, back, back door, back seat, back side, backward, backwards, behind, breech, counterclockwise, fro, heel, hind, hind end, hind part, hinder, hindermost, hindhand, hindhead, hindmost, hindward, hindwards, in reverse, occiput, posterior, posteriorly, postern, rear, rear end, rearmost, rearwards, retrad, retrograde, reverse, stern, tail, tail end, tailpiece, tailward, tailwards, to the rear, widdershinsROGET THESAURUS
rearward
Rear
N rear, back, posteriority, rear rank, rear guard, background, hinterland, occiput, nape, chine, heels, tail, rump, croup, buttock, posteriors, backside scut, breech, dorsum, loin, dorsal region, lumbar region, hind quarters, aitchbone, natch, natch bone, stern, poop, afterpart, heelpiece, crupper, wake, train, reverse, other side of the shield, back, rear, hind, hinder, hindmost, hindermost, postern, posterior, dorsal, after, caudal, lumbar, mizzen, tergal, behind, in the rear, in the background, behind one's back, at the heels of, at the tail of, at the back of, back to back, after, aft, abaft, astern, sternmost, aback, rearward, ogni medaglia ha il suo rovescio, the other side of the coin.Also see definition of "rearward" in Bible Study Dictionaries
For further exploring for "rearward" in Webster Dictionary Online