plural noun Rhip·i·dis·tia \ˌripəˈdistēə\

Definition of Rhipidistia

  1. :  an order of extinct crossopterygian fishes that have the basal bones of the median fins united into one mass — see holoptychiidae, osteolepidae


adjective or noun


\-tə̇d\ adjective or noun

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Origin and Etymology of rhipidistia

New Latin, from rhipid- + Greek histia, plural of histion sail; akin to Greek histanai to cause to stand — more at stand

Seen and Heard

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to cast off or become cast off

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