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

Type of: fern

• eternal life
• eternal rest
• eternal sleep
• eternalise
• eternalize
• eternally
• eterne
• eternise
• eternity
• eternize
• ETF
• eth
• ethacrynic acid
• Ethan Allen
• ethanal
• ethanal trimer
• ethanamide
• ethane
• ethanedioic acid
• ethanediol
• ethanoate
• ethanoic acid
• ethanol
• ethanoyl chloride
• ethanoyl group