plural noun Sig·il·lar·i·a·ce·ae

Definition of Sigillariaceae

  1. :  a family of arborescent Carboniferous club mosses (order Lepidodendrales) that have the trunks marked with vertical rows of leaf scars suggesting seals



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Origin and Etymology of sigillariaceae

New Latin, from Sigillaria, type genus + -aceae

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capable of being understood in two ways

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