caduceus noun. [kǝ'dju:sɪǝs] Pl. -cei [-sɪʌɪ]. L16.
[Latin caduceus, -um from Doric Greek karuk(e)ion = Attic kērukeion neut. adjective used as noun, from kērux, -uk- herald.]
In Classical History, a Greek or Roman herald's wand; spec. (also Caduceus) the wand carried by the messenger-god Hermes or Mercury, usu. represented with two serpents twined round it.

■ caducean adjective M17.

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