From Longman Dictionary of Contemporary Englishzapperzap‧per /ˈzæpə $ -ər/ noun [countable] informal 1 AMTTa thing you use for changing channels on a television from a distance SYN remote control2 TEEa piece of electrical equipment that attracts and kills insects
Examples from the Corpus
zapper• More than 15 million viewers now own a zapper.• This will ease the effects of these sleep zappers. 