1. Tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus Polybotrya
   - hart's-tongue, hart's-tongue fern, Olfersia cervina, Polybotria cervina

Type of: fern

• en route
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• En-lil
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• enabling act
• enabling clause
• enabling legislation
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• enactor
• enalapril
• enallage
• enamel
• enamelware
• enamine
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• enanthem