Noun lightning rod has 2 senses
  1. lightning rod - someone who is a frequent target of negative reactions and serves to distract attention from another
    --1 is a kind of
    person, individual, someone, somebody, mortal, human, soul
  2. lightning rod, lightning conductor - a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning
    --2 is a kind of conductor