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

• thrust
• thrust ahead
• thrust bearing
• thrust fault
• thrust out
• thrust stage
• thruster
• thrusting
• thruway
• Thryothorus
• Thryothorus ludovicianus
• Thucydides
• thud
• thudding
• thug
• thuggee
• thuggery
• thuggish
• Thuja
• Thuja occidentalis
• Thuja orientalis
• Thuja plicata
• Thujopsis
• Thujopsis dolobrata
• Thule