rexcommon nounproper nounEtymologyexpandfrom Latin rex (king).Definitions1. Breed of cat, with a long or medium tail and short, wavy hair as it consists only of undercoat.expand2. Breed of rabbits, originating from France, of medium size, with a fluffy, very dense and short fur, resembling velvet and composed solely of fine down.expandSynonymchat astrakanHyperonymsfélidéchat domestiquelagomorphelapinlapin domestique