caduceus /kəˈdjuːsiəs 
, kəˈdʒuːsiəs/ ▸ noun (plural caducei /kəˈdjuːsɪʌɪ/) an ancient Greek or Roman herald's wand, typically one with two serpents twined round it, carried by the messenger god Hermes or Mercury. – ORIGIN Latin, from Doric Greek karukeion from Greek kērux ‘herald’.
EnglishOxford Dictionary of English
