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

Definition of Cyatheaceae 

: 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

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Other words from Cyatheaceae

cyatheaceous \(ˈ)sī¦athē¦āshəs \ adjective

History and Etymology for Cyatheaceae

New Latin, from Cyathea, type genus + -aceae

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