Main Entry: cau·dex

Pronunciation: \ˈkȯ-ˌdeks\

Function: noun

Inflected Form(s): plural cau·di·ces \ˈkȯ-də-ˌsēz\ or cau·dex·es

Etymology: Latin, tree trunk or stem

Date: circa 1797

1 : the stem of a palm or tree fern
2 : the woody base of a perennial plant