plural noun
Fon·​ti·​na·​la·​ce·​ae | \ ˌfäntᵊnəˈlāsēˌē\

Definition of Fontinalaceae

: a small family of aquatic mosses (order Isobryales) having long floating stems and capsules nearly covered by the surrounding leaf clusters — see dichelyma , fontinalis

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History and Etymology for Fontinalaceae

New Latin, from Fontinalis, type genus + -aceae

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concealment of treason or felony

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