1. Tropical American fern with broad pinnae; widely cultivated
   - brittle maidenhair, brittle maidenhair fern

Type of: maidenhair, maidenhair fern

• unintimidated
• unintoxicated
• unintrusive
• uninucleate
• uninventive
• uninvited
• uninvitedly
• uninviting
• uninvolved
• Unio
• uniocular
• uniocular dichromat
• union
• Union Army
• union card
• Union flag
• Union Jack
• union member
• Union of Burma
• Union of Serbia and Montenegro
• Union of Soviet Socialist Republics
• union representative
• union shop
• Union soldier
• union suit