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

Type of: fern

• additive inverse
• addle
• addlebrained
• addled
• addlehead
• addlepated
• address
• addressable
• addressed
• addressee
• addressing machine
• Addressograph
• adduce
• adducent
• adducer
• adducing
• adduct
• adducting
• adduction
• adductive
• adductor
• adductor muscle
• ade
• Adelaide
• Adelges