1. A large iris with purple or white flowers, native to central and southern Europe
   - Iris germanica 
2. Iris of northern Italy having deep blue-purple flowers; similar to but smaller than Iris germanica
   - Iris kochii

Type of: bearded iris

• Trillium recurvatum
• Trillium sessile
• trilobate
• trilobated
• trilobed
• trilobite
• trilogy
• trim
• trim back
• trim down
• trimaran
• trimer
• trimerous
• trimester
• trimeter
• trimipramine
• trimly
• trimmed
• trimmer
• trimmer arch
• trimmer joist
• trimming
• trimming capacitor
• trimmings
• trimness