1.(罗马神话中传信天使 Mercury 的)双蛇杖;(美国陆军军医部队的)双蛇杖标记
1.in classical mythology, a winged staff entwined with two serpents, the symbol of Hermes or Mercury and associated with the Greek god of healing, Asclepius
2.a symbol of the U.S. Army Medical Corps and various other medical organizations that is modeled on Hermes' caduceus.