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

• hustle
• hustler
• Huston
• hut
• hutch
• Hutchins
• Hutchinson
• hutment
• Hutton
• Hutu
• hutzpah
• Huxleian
• Huxley
• Huxleyan
• Huygens
• Huygens' principle of superposition
• huzza
• huzzah
• HVAC
• Hwang Ho
• hyacinth
• hyacinth bean
• Hyacinthaceae
• hyacinthine
• Hyacinthoides