Dictionary
adder's–tongue
noun ad·der's–tongue \ˈa-dərz-ˌtəŋ\
Definition of ADDER'S-TONGUE
1
: any of a genus (Ophioglossum, family Ophioglossaceae) of small ferns having a spore-bearing stalk resembling a serpent's tongue
2
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First Known Use of ADDER'S-TONGUE
1578
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