cockchafer
noun /ˈkɒktʃeɪfə(r)/
/ˈkɑːktʃeɪfər/
(also May bug)
- a large brown insect that flies and makes a loud noise in early evening in summerTopics Insects, worms, etc.c2Word Originearly 18th cent.: from cock (expressing size or vigour) + chafer.