Noun has 2 senses

• killer bee(n = noun.person) - an investment banker who devises strategies to make a target company less attractive for takeover;


• killer bee(n = noun.animal) africanized bee, africanized honey bee, apis mellifera adansonii, apis mellifera scutellata - 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;