chaferPronunciation: /ˈtʃeɪfə/Definition of chafer noun a large flying beetle, the adult and larva of which can be very destructive to foliage and plant roots respectively. Several subfamilies of the family Scarabaeidae. Origin: Old English ceafor, cefer, of Germanic origin; related to Dutch keverchafer in other Oxford dictionaries Definition of chafer in the US English dictionary