- killer bee - an investment banker who devises strategies to make a target company less attractive for takeover
--1 is a kind of investment banker, underwriter
- Africanized bee, Africanized honey bee, killer bee, Apis mellifera scutellata, Apis mellifera adansonii - 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
--2 is a kind of honeybee, Apis mellifera
- Africanized bee, Africanized honey bee, killer bee, Apis mellifera scutellata, Apis mellifera adansonii - 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