'killer bee' definitions:

An investment banker who devises strategies to make a target company less attractive for takeover

A strain of bees that originated in Brazil in the 1950s as a cross between an aggressive African bee and a honeybee; retains most of the traits of the African bee; now spread as far north as Texas [syn: Africanized bee, Africanized honey bee, killer bee, Apis mellifera scutellata, Apis mellifera adansonii]