The Collaborative International Dictionary
Rereward
Rereward \Rere"ward`\ (r?r"w?rd`), n. [See Rearward.] The rear guard of an army. [Obs.]
Wiktionary
rereward
n. (obsolete spelling of rearward nodot=1 English) {{qualifier|in the archaic and historical military sense of ''(l en rearguard)'' and the obsolete sense of ''(l en haunches)'', ''(l en buttocks)''}}. (Middle English through the 19th century)
Usage examples of "rereward".
In motion being each and both carried westward, forward and rereward respectively, by the proper perpetual motion of the earth through everchanging tracks of neverchanging space.