reredemainreredemain means A backward stroke of the hand. Lexicurio rates it Sui generis — a strength score of 87 out of 100.EtymologyFrom Middle English reremayne, reremayn, probably from Anglo-Norman reremein, variant of areremein, from arere (“back, backwards”) + main (“hand”).nounA backward stroke of the hand.“But all such plagues, calamities and troubles[…]I shall with a reredemaine so make them rebound to our common enemie that calleth himselfe King.”