plural noun Cy·ath·e·a·ce·ae \(ˌ)sīˌathēˈasēˌē\

Definition of Cyatheaceae

  1. :  a family of tropical tree ferns having the sporangia crowded, stalked, and either naked or more often with a cup-shaped indusium — compare silver tree fern


\(ˈ)sī¦athē¦āshəs\ adjective

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Origin and Etymology of cyatheaceae

New Latin, from Cyathea, type genus + -aceae

Seen and Heard

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a brief usually trivial fact

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