anti-shark

adjective

an·​ti-shark

ˌan-tē-ˈshärk,

ˌan-tī- 

variants or less commonly antishark

: serving or intended to repel sharks : providing protection against shark attacks

an anti-shark cage

The support boat was equipped with a special antishark electromagnetic field that in theory repelled the animals from a twenty-five-foot radius …

—William H. Longyard

Word History

First Known Use

1905, in the meaning defined above